added "-" trim mode for copy file to support -%> ERB closing syntax
converted to .ruby-version and .ruby-gemset over .rvmrc; fixed typo in test/test_exit_now.rb
initial addition of multilevel command feature
added command feature
WIP: tuning command and commands methods
finished adding initial subcommand support
Merge pull request #1 from dennisjbell/subcommands

Subcommands