Allowing calls to private_methods
Adding spec for private_methods fix
Merge pull request #465 from chapmajs/private_methods_fix

Allowing calls to private_methods
Fix a few Rubocop style warnings.
Bump up Ruby 2.1.x version to 2.1.4
Merge pull request #470 from petergoldstein/feature/travis_2_1_4

Bump up Ruby 2.1.x in Travis CI to 2.1.4
Merge pull request #469 from petergoldstein/feature/a_few_rubocop_fixes

Fix a few Rubocop style warnings.
Updating pool_manager to fix NameError problem

pool_manager kept producing NameErrors in calls.rb:33 because it was not forwarding the "method" method call and "respond_to?" method properly to the @worker_class.
Removing code duplication in pool_manager.rb
Merge pull request #472 from stephan-nordnes-eriksen/patch-1

Updating pool_manager to fix NameError problem
rename pool_spec to pool_manager_spec
enabled parameter validation on async pool_manager
Merge pull request #473 from chronomantic/pool_method_validation

Pool async method call arity checking
improve example class implementation in specs
improve parameter checking in Calls
fix PoolManager introspection methods
Merge pull request #474 from chronomantic/fix_introspection

Fix introspection
Only use 1 Bundler job for Rubinius
Merge pull request #477 from celluloid/fix-rbx-on-travis

Only use 1 Bundler job for Rubinius
Fix undefined variable warning