Fix enum deserialization failure caused by incorrect test for `IsEnum` (fixed three failing unit tests)
Fix reflection code to not crash when named arguments are used for the Indexed attribute, e.g. `Indexed(Name="A",Order=1,Unique=true)`
Merge pull request #61 from IanMercer/fixUnitTests

Fix exceptions in GetIndices and Enum deserialization (Issue #58 and #59)