Added flattr button
Add support for :step option - resolves TODO :)
Merge pull request #5 from tkrajcar/add_step

Add support for :step option - resolves TODO :)
removed rvmrc
Version bump to 0.1.1
Version bump to 0.1.1
Regenerate gemspec for version 0.1.1
updated gemcutter version
added travis config
setted mongoid version to >= 2.0 (mongoid1 is unsupported, only mongoid 2 & 3 supported now)
added travis-ci status to README
fixed repeated dependencies
Version bump to 0.1.2
Fix failing specs

* Match spec model fields to fields used in the actual specs.
* Switch to new RSpec `expect` syntax.
* Improve example descriptions.
* Minor style cleanup.
Only increment field if a value is not already present
Ensure record responds to method before calling it

* Clean up code style in lib/mongoid_auto_increment.rb.