Merge pull request #31 from tricknotes/fix-url

Fix URL in README

Refactoring

Cleanup some code

Use rb_obj_is_kind_of instead of rb_call

Introduce Rubype.add_typed_method_to_proxy

Shorten Rubype::get_method_visibility

Fix typo in core_ext.rb

v0.3.1

Add test for README.md

Separate assert_type int args and rtn

Update result of `bundle exec rake benchmark`

v0.3.0

Write Rubype::Contract#initialize with C and cleanup

Clean up rubype.c