Working

### VERSION 0.6.7

* enhancements
  * initializer can be take block or value

* refactoring
  * following rails way for naming file
  
* [fullchanges](https://github.com/FinalCAD/csv2hash/pull/17)

Line is too long. [104/80]<br>Prefer `Object#is_a?` over `Object#kind_of?`.