removes pointless UI message
updates guard so it can support up the most recent version
updates to version 0.1.7
adds the gem badge
Prevent from running empty migrations
Close file properly
Fix invalid? method

Return true when the file is empty
Fix & Refactor

- Validate on run_all_migrations method
- Create a Migration class
Merge pull request #8 from basgys/master

Prevents running empty migrations
updates the copyright
adds ruby 2.0.0 to the travis configuration
bumps version to 0.2.0