Removed generated comments from mocks.
Removed dochint generation from function signature inspector.
Alleviated more method calls in mock generator.
Fall back to var_export.
Experimental function signature inspection via reflection export.
Various method call reductions.
Some fixes for tests broken on HHVM.
Fixed self typehints.
More tests for new function signature inspector logic.
Merge branch 'feature/mock-generator-optimization' into develop