updated Gemfile.lock to use version 3.2.0
stubbed expectations for XSemVer::Runner
failing specs for runner 'init' and 'initialize' commands
passing spec for runnier 'init' and 'initialize' commands
passing spec for runner 'inc' and 'increment' commands
passing spec for runner 'spe' and 'special' commands
all specs pass for XSemVer::Runner commands
used aliases for abbreviated commands
help command for semver runner
moved 'require semver' from spec to runner.rb
runner displays error message on invalid command
better comments and whitespace
updated bin/semver executable to use XSemVer::Runner class
added pre[release] command which aliases to spe[cial]
added meta[data] command to semver runner
updated README to include prerelease and metadata commands and methods
inc[rement] command sets version metadata to empty string
incremented minor version, now at 3.3.0
added SemVer.file_name method to simplify stubbing of tests
merged pull request #3 (XSemVer::Runner) from jameschildress/master