Use strict decoders should be false; added long decoder tests

centurion-avro/src/main/kotlin/com/sksamuel/centurion/avro/decoders/Decoder.kt

@@ -28,7 +28,7 @@ fun interface Decoder<T> {
 
    companion object {
 
-      var useStrictPrimitiveDecoders = true
+      var useStrictPrimitiveDecoders = false
 
       fun decoderFor(type: KType): Decoder<*> {
          val decoder: Decoder<*> = when (val classifier = type.classifier) {

centurion-avro/src/test/kotlin/com/sksamuel/centurion/avro/decoders/LongDecoderTest.kt

@@ -0,0 +1,28 @@
+package com.sksamuel.centurion.avro.decoders
+
+import io.kotest.core.spec.style.FunSpec
+import io.kotest.matchers.shouldBe
+import org.apache.avro.Schema
+
+class LongDecoderTest : FunSpec({
+
+   test("bytes") {
+      val schema = Schema.create(Schema.Type.LONG)
+      LongDecoder.decode(schema).invoke(1.toByte()) shouldBe 1L
+   }
+
+   test("shorts") {
+      val schema = Schema.create(Schema.Type.LONG)
+      LongDecoder.decode(schema).invoke(1.toShort()) shouldBe 1L
+   }
+   test("ints") {
+      val schema = Schema.create(Schema.Type.LONG)
+      LongDecoder.decode(schema).invoke(1) shouldBe 1L
+   }
+
+   test("longs") {
+      val schema = Schema.create(Schema.Type.LONG)
+      LongDecoder.decode(schema).invoke(1L) shouldBe 1L
+   }
+
+})