[#6] fix for vararg methods, where the helper parameters were being
written in an order unexpected by the runtime
[#5] account for vararg and array conflicts when testing for method equality,
and consider arrays when comparing JavaType instances
allow custom annotations and values to be added to *Helper methods
[FLAPI-114] [#6] support for annotating helper and builder methods with
user-provided annotations
fixed issue where the is annotation class check was being called on an annotation parameter
checkpoint for array annotation values, and tests