0.7.4: Merge pull request #1152 from MattHJensen/10_min_fixes

Significant contributions to Tax-Calculator release 0.7.4

Contributor	PR#	Description
@martinholmer	#1123 - #1131	New JSON reform file examples and capabilities
@martinholmer	#1148	Separate reforms and economic assumptions into two separate JSON files
@MattHJensen	#1152	Fix bugs in 10_min notebook

0.7.3: Merge pull request #1113 from talumbau/consump_dropq

Contributor	PR#	Description
Martin Holmer	#1081	add ability to use an expression to specify a policy parameter
Martin Holmer	#1083	expand scope of JSON reform file to include non-policy parameters
Martin Holmer	#1088	fix capital-gains-reform bug reported by Cody Kallen
Martin Holmer	#1098	add ability to conduct normative expected-utility analysis
Cody Kallen	#1104	add ability to compute MTR with respect to charitable cash contribs
Zach Risher	#1092	provide Pandas 0.19.1 compat by fixing dataframe.to_csv() usage
Zach Risher	#1094	unify environment definition by removing requirements.txt
Matt Jensen	#1109	reorganize current_law_policy.json and add section headers
Cody Kallen	#1084	add dollar limit on itemized deductions
T.J. Alumbaugh	#1111	add testing for Windows with Appveyor

0.7.2: Merge pull request #1082 from martinholmer/remove-varlabeltxt-file

Contributor	PR#	Description
Cody Kallen	#1069	add ability to simulate non-refundable dependent credit
Martin Holmer	#1072	add ability to narrow investment income exclusion base

0.7.1: Merge pull request #1060 from talumbau/dropq_add_totals

Contributor	PR#	Description
Martin Holmer	#1051	rename policy parameters for consistency
Matt Jensen	#1055	add ability to simulate broader range of refundable CTC reforms
Martin Holmer	#1057	add more income items into expanded income

0.7.0: Merge pull request #1044 from martinholmer/fix-means-and-comparisons

Contributor	PR#	Description
Martin Holmer	#1043	rename and refactor old add_weighted_decile_bins utility function
Martin Holmer	#1044	remove unused argument from means_and_comparisons utility function

0.6.9: Merge pull request #1039 from MattHJensen/expand_ctc

Contributor	PR#	Description
Cody Kallen	#981	identify and fix bug in TaxGains function (see #977 and #979)
Cody Kallen	#987	add calculation of MTR wrt e26270, partnership & S-corp income
Matt Jensen	#988	identify and fix bug in multiyear_diagnostic_table utility function
Martin Holmer	#1000	fix AMT bug that ignored value of AMT_CG_rt1 parameter
Martin Holmer	#1001	fix several other minor AMT CG bugs
Sean Wang	#948	add utility function that plots marginal tax rates by percentile
Anderson Frailey	#999	add ability to simulate Trump-style dependent care credit
Martin Holmer	#1012	add ability to simulate Clinton-style NIIT reform
Martin Holmer	#1021	remove self-employment tax from income tax total
Martin Holmer	#1032	add half of self-employment tax to expanded income
Matt Jensen	#1039	add ability to simulate Clinton-style CTC expansion

0.6.8: Merge pull request #970 from martinholmer/improve-param-docs

Contributor	PR#	Description
Matt Jensen	#867	add ability to simulate reforms that limit benefit of itemized deductions
Cody Kallen	#972	add investment income exclusion policy parameter
Martin Holmer	#973	add ability to eliminate differential tax treatment of LTCG+QDIV income

0.6.7: Merge pull request #945 from MattHJensen/surtax_rate

Contributor	PR#	Description
Sean Wang	#858	add extra income tax brackets and rates
Martin Holmer	#874	correct Net Investment Income Tax (NIIT) calculation
Martin Holmer	#898	correct Schedule R credit calculation
Anderson Frailey	#904	add ability to simulate Fair Share Tax, or Buffet Rule, reforms
Sean Wang	#913	add ability to tax pass-through income at different rates
Martin Holmer	#914	remove logic for expired First-Time Homebuyer Credit
Matt Jensen	#926	add itemized-deduction surtax exemption policy parameter
Sean Wang	#939	add ability to simulate high-AGI surtax reforms

0.6.6: Merge pull request #844 from talumbau/handle_samples

• Revise code to use smaller puf.csv input file and make changes to create that input file
• Remove debugging variables from functions.py reducing execution time by 42 percent [#833]
• Add comments to show one way to use Python debugger to trace Tax-Calculator code [#835]
• Add tests that confirm zeroing-out CALCULATED_VARS at start leaves results unchanged [#837]
• Make 2013-2016 medical deduction threshold for elderly be 7.5% of AGI (not 10%) [#839]
• Fix typo so that two ways of limiting itemized deductions produce the same results [#842]
• Revise logic used to estimate behavioral responses to policy reforms [#846, #854, #857]

0.6.5: Merge pull request #820 from martinholmer/simplify-taxgains-logic

• Add --exact option to simtax.py and inctax.py scripts
• Fix itemized deduction logic for charity
• Remove puf variable from functions.py code
• Add calculation of Schedule R credit
• Remove _cmp variable from functions.py code
• Remove Numba dependency