change setters visibility in codes class
create process config util
implement process config in codes 'form' method
create array get and unset key util
implement array get and unset util in codes from method
refactor codes from method
create and implement get last key method in codes
typo
add parse method to coder interface
implement coder get boundary
set default limit in codes from coder get boundary
validate codes limit
throw off boundary exception instead of plain exception
thorw off boundary exception in coder if trying to encode off boundary digit
init off boundary exception
stupid
init coder configuration class
use coder configuration in coder class
init protected method set secret key in coder
refactor coder