use expect syntax
fixed with_button tests
json-like hashes
rspec options
renamed:    spec/matchers/form_matchers_spec.rb -> spec/form_matchers_spec.rb
renamed:    spec/matchers/have_tag_spec.rb -> spec/have_tag_spec.rb
refactoring part 1: namespaced
rspec configuration updated
wow debugger
rewritten raise_spec_error helper
refactoring part 2: new API's everywhere
improved raise_spec_error helper
refactoring part 3: super strange