stop gitignoring Gemfile.lock
update rake & rspec
update mocha requires
update should_not raise_error to resolve deprecations
whitespace :lipstick:
get suite passing again

mocha stub/expects behavior is a bit different now
update .rspec to use newed doc formatter

fixes last deprecation warning
Merge pull request #24 from rick/bitrot

update gem dependencies, get the test suite running clean again