- Adds support for coreir `float_CW` lib
- Added OSX build to travis
- Changed SimulatorState interface to match CoreIRType
- Changed dependency from bit_vector package to hwtypes package
- Update simulator bindings for changes in the coreir API
- Added `inline_instance`, `Context.new_namespace`, and `Module.params` methods.
- Added `__hash__` and `__eq__` for CoreIRType based on the underlying C