Fix for #13 - extraction for case classes with type parameters.
Merge branch 'master' into issue13

Conflicts:
	core/src/test/scala/sqlest/extractor/ExtractorSpec.scala
Extract type parameter substitution into method. Update tests.
Expand tests for extraction of case classes with type parameters.
Named extract with inherited apply methods.
Merge pull request #15 from jhc-systems/issue13

Extraction for case classes with type parameters.