Modify code style.
Rename main module.
Clean up code.
Add development gems.
Configure Guard gem.
Add SimpleCov configuration and Rake tasks.
Add basic implementation.
Add spec stubs.
Add tests for MTrack::State::Context.
Add tests for MTrack::State and modify other tests.
Fix problem with undefined methods.
Simplify MTrack::State interface.
Modify MTrack::State method name.
Add tests for MTrack::Core and minor refactoring.
Modify rake task description and implementation.
Modify gemspec file.
Add ruby versions to Travis configuration file.
Include MTrack::ModuleMixin from within module_eval.
Remove byebug development dependecy from gemfile.
Fix missing requirement on spec_helper.