alias_method instead of alias
cleaned code from "and" and "or"
* Hash Parameters without extra curly braces
* avoid set_ and get_ methods
* avoid & ambiguity
when on same level as case
fixed all tailing new lines
better %w usage
* always add tailing comma for multiline hashes
use attr_accessor where possible
prevent abigious spec comparison
* fixed useless access modifiers
* marked unused parameters
fixed string quotation
fixed some spaces
more spaces
avoid single line methods
* avoid multiple instructions on one line
* removed clutter
* modern hash and lambda syntax
fixed some indentions
prefer File.exist?
improved style