Specify gem versions in gemspec, scan for required versions
Remove ruby_parser gem version parsing
Document MetricFu::MetricVersion
Use ruby_parser since it returns the gem version properly as an Array
BF document LineNumbers
Move out gemspec io method, document MetricVersion code
Merge pull request #99 from metricfu/specify-gem-version-in-gemspec

Specify gem version in gemspec
Metrics now configure themselves, first step
Move environmental concerns into an Environment module
Remove references to rbconfig
Expose RubyParser patch
Begin updating documentation
Move file system tasks from configuration to io
Separate out template / formatting concerns from configuration
Update ripper check to be more specific, note flog is not a ripper issue
Start moving some of the loading logic out of the base module