diff --git a/README.md b/README.md
index 14a49a7..163890c 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ The Tozny End-to-End Encrypted Database (E3DB) is a storage platform with powerf
 This repository contains a fully asynchronous SDK that can be used both for server-side applications with Node as well as in modern browsers.
 
 ## Terms of Service
-   
+
 Your use of E3DB must abide by our [Terms of Service](https://github.com/tozny/e3db-java/blob/master/terms.pdf), as detailed in the linked document.
 
 # Getting Started
@@ -19,7 +19,7 @@ To install with NPM add the following to your `package.json` file:
 
 ```
 "dependencies": {
-    "e3db": "^1.0.0"
+    "e3db": "^1.2"
 }
 ```
 
@@ -52,7 +52,7 @@ async function main() {
   let cryptoKeys  = await e3db.Client.generateKeypair();
   let signingKeys = await e3db.Client.generateSigningKeypair();
   let clientInfo  = await e3db.Client.register(token, clientName, cryptoKeys, signingKeys)
-  
+
   // ... Run operations with the client's details here
 }
 main()
@@ -91,7 +91,7 @@ async function main() {
   let cryptoKeys  = await e3db.Client.generateKeypair();
   let signingKeys = await e3db.Client.generateSigningKeypair();
   let clientInfo  = await e3db.Client.register(token, clientName, cryptoKeys, signingKeys, true)
-  
+
   // ... Run operations with the client's details here
 }
 main()
@@ -143,7 +143,7 @@ async function main() {
     'last_name': 'Snow',
     'phone': '555-555-1212',
   })
-    
+
   console.log('Wrote record ' + record.meta.recordId)
 }
 main()
@@ -202,9 +202,9 @@ async function main() {
   let ak = await e3db.Crypto.randomKey()
   let encryptedAk = await e3db.Crypto.encryptAk(client.config.privateKey, ak, client.config.publicKey)
   let eak = {eak: encryptedAk, authorizer_public_key: {curve25519: client.config.publicKey}}
-  
+
   let encrypted = await client.encrypt('lyric', document, eak)
-  
+
   // Write record to storage in suitable format.
 }
 main()
@@ -253,11 +253,11 @@ let document = {
 async function main() {
  let data = new RecordData(document)
  let meta = new Meta(client.config.clientId, client.config.clientId, 'lyric', {})
- 
+
  let recordInfo = new RecordInfo(meta, data)
  let signature = await client.sign(recordInfo)
- 
- let signed = new Record(meta, data, signature) 
+
+ let signed = new Record(meta, data, signature)
 }
 main()
 ```
diff --git a/package-lock.json b/package-lock.json
index ace8e9d..99a3ae9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,9 +1,57 @@
 {
   "name": "e3db",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@babel/code-frame": {
+      "version": "7.0.0-beta.39",
+      "resolved":
+        "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.0.0-beta.39.tgz",
+      "integrity":
+        "sha512-PConL+YIK9BgNUWWC2q4fbltj1g475TofpNVNivSypcAAKElfpSS1cv7MrpLYRG8TzZvwcVu9M30hLA/WAp1HQ==",
+      "dev": true,
+      "requires": {
+        "chalk": "2.3.0",
+        "esutils": "2.0.2",
+        "js-tokens": "3.0.2"
+      },
+      "dependencies": {
+        "ansi-styles": {
+          "version": "3.2.0",
+          "resolved":
+            "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.0.tgz",
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+          "dev": true,
+          "requires": {
+            "color-convert": "1.9.1"
+          }
+        },
+        "chalk": {
+          "version": "2.3.0",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.3.0.tgz",
+          "integrity":
+            "sha512-Az5zJR2CBujap2rqXGaJKaPHyJ0IrUimvYNX+ncCy8PJP4ltOGTrHUIo097ZaL2zMeKYpiCdqDvS6zdrTFok3Q==",
+          "dev": true,
+          "requires": {
+            "ansi-styles": "3.2.0",
+            "escape-string-regexp": "1.0.5",
+            "supports-color": "4.5.0"
+          }
+        },
+        "supports-color": {
+          "version": "4.5.0",
+          "resolved":
+            "https://registry.npmjs.org/supports-color/-/supports-color-4.5.0.tgz",
+          "integrity": "sha1-vnoN5ITexcXN34s9WRJQRJEvY1s=",
+          "dev": true,
+          "requires": {
+            "has-flag": "2.0.0"
+          }
+        }
+      }
+    },
     "abab": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/abab/-/abab-1.0.4.tgz",
@@ -18,21 +66,14 @@
       "dev": true
     },
     "acorn-globals": {
-      "version": "3.1.0",
+      "version": "4.1.0",
       "resolved":
-        "https://registry.npmjs.org/acorn-globals/-/acorn-globals-3.1.0.tgz",
-      "integrity": "sha1-/YJw9x+7SZawBPqIDuXUZXOnMb8=",
+        "https://registry.npmjs.org/acorn-globals/-/acorn-globals-4.1.0.tgz",
+      "integrity":
+        "sha512-KjZwU26uG3u6eZcfGbTULzFcsoz6pegNKtHPksZPOUsiKo5bUmiBPa38FuHZ/Eun+XYh/JCCkS9AS3Lu4McQOQ==",
       "dev": true,
       "requires": {
-        "acorn": "4.0.13"
-      },
-      "dependencies": {
-        "acorn": {
-          "version": "4.0.13",
-          "resolved": "https://registry.npmjs.org/acorn/-/acorn-4.0.13.tgz",
-          "integrity": "sha1-EFSVrlNh1pe9GVyCUZLhrX8lN4c=",
-          "dev": true
-        }
+        "acorn": "5.2.1"
       }
     },
     "acorn-jsx": {
@@ -259,6 +300,14 @@
       "dev": true,
       "optional": true
     },
+    "async-limiter": {
+      "version": "1.0.0",
+      "resolved":
+        "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
+      "integrity":
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+      "dev": true
+    },
     "asynckit": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
@@ -507,15 +556,15 @@
       }
     },
     "babel-jest": {
-      "version": "21.2.0",
+      "version": "22.1.0",
       "resolved":
-        "https://registry.npmjs.org/babel-jest/-/babel-jest-21.2.0.tgz",
+        "https://registry.npmjs.org/babel-jest/-/babel-jest-22.1.0.tgz",
       "integrity":
-        "sha512-O0W2qLoWu1QOoOGgxiR2JID4O6WSpxPiQanrkyi9SSlM0PJ60Ptzlck47lhtnr9YZO3zYOsxHwnyeWJ6AffoBQ==",
+        "sha512-5pKRFTlDr+x1JESNRd5leqvxEJk3dRwVvIXikB6Lr4BWZbBppk1Wp+BLUzxWL8tM+EYGLCWgfqkD35Sft8r8Lw==",
       "dev": true,
       "requires": {
         "babel-plugin-istanbul": "4.1.5",
-        "babel-preset-jest": "21.2.0"
+        "babel-preset-jest": "22.1.0"
       }
     },
     "babel-messages": {
@@ -551,11 +600,11 @@
       }
     },
     "babel-plugin-jest-hoist": {
-      "version": "21.2.0",
+      "version": "22.1.0",
       "resolved":
-        "https://registry.npmjs.org/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-21.2.0.tgz",
+        "https://registry.npmjs.org/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-22.1.0.tgz",
       "integrity":
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+        "sha512-Og5sjbOZc4XUI3njqwYhS6WLTlHQUJ/y5+dOqmst8eHrozYZgT4OMzAaYaxhk75c2fBVYwn7+mNEN97XDO7cOw==",
       "dev": true
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     "babel-plugin-syntax-async-functions": {
@@ -959,14 +1008,14 @@
       }
     },
     "babel-preset-jest": {
-      "version": "21.2.0",
+      "version": "22.1.0",
       "resolved":
-        "https://registry.npmjs.org/babel-preset-jest/-/babel-preset-jest-21.2.0.tgz",
+        "https://registry.npmjs.org/babel-preset-jest/-/babel-preset-jest-22.1.0.tgz",
       "integrity":
-        "sha512-hm9cBnr2h3J7yXoTtAVV0zg+3vg0Q/gT2GYuzlreTU0EPkJRtlNgKJJ3tBKEn0+VjAi3JykV6xCJkuUYttEEfA==",
+        "sha512-ps2UYz7IQpP2IgZ41tJjUuUDTxJioprHXD8fi9DoycKDGNqB3nAX/ggy1S3plaQd43ktBvMS1FkkyGNoBujFpg==",
       "dev": true,
       "requires": {
-        "babel-plugin-jest-hoist": "21.2.0",
+        "babel-plugin-jest-hoist": "22.1.0",
         "babel-plugin-syntax-object-rest-spread": "6.13.0"
       }
     },
@@ -1106,6 +1155,13 @@
         "repeat-element": "1.1.2"
       }
     },
+    "browser-process-hrtime": {
+      "version": "0.1.2",
+      "resolved":
+        "https://registry.npmjs.org/browser-process-hrtime/-/browser-process-hrtime-0.1.2.tgz",
+      "integrity": "sha1-Ql1opY00R/AqBKqJQYf86K+Le44=",
+      "dev": true
+    },
     "browser-resolve": {
       "version": "1.11.2",
       "resolved":
@@ -1633,6 +1689,17 @@
         "strip-bom": "2.0.0"
       }
     },
+    "define-properties": {
+      "version": "1.1.2",
+      "resolved":
+        "https://registry.npmjs.org/define-properties/-/define-properties-1.1.2.tgz",
+      "integrity": "sha1-g6c/L+pWmJj7c3GTyPhzyvbUXJQ=",
+      "dev": true,
+      "requires": {
+        "foreach": "2.0.5",
+        "object-keys": "1.0.11"
+      }
+    },
     "del": {
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/del/-/del-2.2.2.tgz",
@@ -1665,6 +1732,13 @@
         "repeating": "2.0.1"
       }
     },
+    "detect-newline": {
+      "version": "2.1.0",
+      "resolved":
+        "https://registry.npmjs.org/detect-newline/-/detect-newline-2.1.0.tgz",
+      "integrity": "sha1-9B8cEL5LAOh7XxPaaAdZ8sW/0+I=",
+      "dev": true
+    },
     "diff": {
       "version": "3.4.0",
       "resolved": "https://registry.npmjs.org/diff/-/diff-3.4.0.tgz",
@@ -1682,6 +1756,17 @@
         "esutils": "2.0.2"
       }
     },
+    "domexception": {
+      "version": "1.0.1",
+      "resolved":
+        "https://registry.npmjs.org/domexception/-/domexception-1.0.1.tgz",
+      "integrity":
+        "sha512-raigMkn7CJNNo6Ihro1fzG7wr3fHuYVytzquZKX5n0yizGsTcYgzdIUwj1X9pK0VvjeihV+XiclP+DjwbsSKug==",
+      "dev": true,
+      "requires": {
+        "webidl-conversions": "4.0.2"
+      }
+    },
     "ecc-jsbn": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz",
@@ -1714,16 +1799,6 @@
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       }
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-      "version": "0.1.6",
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-      "integrity":
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-      "dev": true,
-      "requires": {
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       "resolved": "https://registry.npmjs.org/error-ex/-/error-ex-1.3.1.tgz",
@@ -1733,6 +1808,33 @@
         "is-arrayish": "0.2.1"
       }
     },
+    "es-abstract": {
+      "version": "1.10.0",
+      "resolved":
+        "https://registry.npmjs.org/es-abstract/-/es-abstract-1.10.0.tgz",
+      "integrity":
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+      "dev": true,
+      "requires": {
+        "es-to-primitive": "1.1.1",
+        "function-bind": "1.1.1",
+        "has": "1.0.1",
+        "is-callable": "1.1.3",
+        "is-regex": "1.0.4"
+      }
+    },
+    "es-to-primitive": {
+      "version": "1.1.1",
+      "resolved":
+        "https://registry.npmjs.org/es-to-primitive/-/es-to-primitive-1.1.1.tgz",
+      "integrity": "sha1-RTVSSKiJeQNLZ5Lhm7gfK3l13Q0=",
+      "dev": true,
+      "requires": {
+        "is-callable": "1.1.3",
+        "is-date-object": "1.0.1",
+        "is-symbol": "1.0.1"
+      }
+    },
     "es6-promise": {
       "version": "4.1.1",
       "resolved":
@@ -2011,6 +2113,12 @@
         "strip-eof": "1.0.0"
       }
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+    "exit": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/exit/-/exit-0.1.2.tgz",
+      "integrity": "sha1-BjJjj42HfMghB9MKD/8aF8uhzQw=",
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@@ -2038,18 +2146,18 @@
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-      "version": "21.2.1",
-      "resolved": "https://registry.npmjs.org/expect/-/expect-21.2.1.tgz",
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-        "jest-diff": "21.2.1",
-        "jest-get-type": "21.2.0",
-        "jest-matcher-utils": "21.2.1",
-        "jest-message-util": "21.2.1",
-        "jest-regex-util": "21.2.0"
+        "jest-diff": "22.1.0",
+        "jest-get-type": "22.1.0",
+        "jest-matcher-utils": "22.1.0",
+        "jest-message-util": "22.1.0",
+        "jest-regex-util": "22.1.0"
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@@ -2062,6 +2170,14 @@
           "requires": {
             "color-convert": "1.9.1"
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+        "jest-get-type": {
+          "version": "22.1.0",
+          "resolved":
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+          "dev": true
         }
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@@ -2233,6 +2349,12 @@
         "for-in": "1.0.2"
       }
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+    "foreach": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/foreach/-/foreach-2.0.5.tgz",
+      "integrity": "sha1-C+4AUBiusmDQo6865ljdATbsG5k=",
+      "dev": true
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       "version": "0.6.1",
       "resolved":
@@ -3171,6 +3293,14 @@
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+      "resolved":
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+      "dev": true
+    },
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       "resolved":
@@ -3333,6 +3463,15 @@
         "har-schema": "2.0.0"
       }
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+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/has/-/has-1.0.1.tgz",
+      "integrity": "sha1-hGFzP1OLCDfJNh45qauelwTcLyg=",
+      "dev": true,
+      "requires": {
+        "function-bind": "1.1.1"
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@@ -3469,6 +3608,18 @@
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       "dev": true
     },
+    "import-local": {
+      "version": "1.0.0",
+      "resolved":
+        "https://registry.npmjs.org/import-local/-/import-local-1.0.0.tgz",
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+      "dev": true,
+      "requires": {
+        "pkg-dir": "2.0.0",
+        "resolve-cwd": "2.0.0"
+      }
+    },
     "imurmurhash": {
       "version": "0.1.4",
       "resolved":
@@ -3627,6 +3778,13 @@
         "builtin-modules": "1.1.1"
       }
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+    "is-callable": {
+      "version": "1.1.3",
+      "resolved":
+        "https://registry.npmjs.org/is-callable/-/is-callable-1.1.3.tgz",
+      "integrity": "sha1-hut1OSgF3cM69xySoO7fdO52BLI=",
+      "dev": true
+    },
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@@ -3636,6 +3794,13 @@
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+    "is-date-object": {
+      "version": "1.0.1",
+      "resolved":
+        "https://registry.npmjs.org/is-date-object/-/is-date-object-1.0.1.tgz",
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+      "dev": true
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@@ -3690,6 +3855,13 @@
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       "dev": true
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@@ -3772,6 +3944,15 @@
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       "dev": true
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+      "dev": true,
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       "integrity": "sha1-EtSj3U5o4Lec6428hBc66A2RykQ="
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@@ -3972,62 +4159,66 @@
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-      "version": "21.2.1",
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-      "integrity": "sha1-pcbVMr5lbiPbgg77lDofBJmNY68=",
+        "https://registry.npmjs.org/xml-name-validator/-/xml-name-validator-3.0.0.tgz",
+      "integrity":
+        "sha512-A5CUptxDsvxKJEU3yO6DuWBSJz/qizqzJKOMIfUJHETbBw/sFaDxgd6fxm1ewUaM0jZ444Fc5vC5ROYurg/4Pw==",
       "dev": true
     },
     "y18n": {
diff --git a/package.json b/package.json
index 5706aee..4bbcd11 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "e3db",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "JavaScript client library for E3DB",
   "homepage": "https://github.com/tozny/e3db-js",
   "author": {
@@ -24,8 +24,8 @@
     "eslint-config-xo": "^0.19.0",
     "eslint-plugin-prettier": "^2.3.1",
     "husky": "^0.14.3",
-    "jest": "^21.0.0",
-    "jest-cli": "^21.0.0",
+    "jest": "^22.1.0",
+    "jest-cli": "^22.1.0",
     "lint-staged": "^6.0.0",
     "nsp": "^3.1.0",
     "prettier": "^1.9.2"