always runs reset when set to true

fixes #14

This ensures that when reset it set to true, it will always run
migrate:reset, even when only the seeds are changed.
bumps version to 1.0.2
Allow command to be run without "bundle exec"

Rails 4.1 includes spring which runs faster if "bundle exec" is not
prefixed to the command.
Merge pull request #15 from cleanoffer/master

Allow command to be run without "bundle exec"
bumps version to 1.0.3
Make private methods which should not be accessible to public
Use .to_f instead of .match while determining Ruby version