added front handler
adds Simple Request Object
handle exceptions
extends exception description
handle routes collections
from request to response
adds missing files
adds json representation off students accounts
Merge branch 'RequestResponseLifeCycle'
adds xml representation of students
 Add new student Marcin Zgoda
Merge pull request #4 from zgm92/19_MZ_KrDzIS3011io

 Add new student Marcin Zgoda
Merge hellogit
Merge branch 'master' of https://github.com/lukashevichyehor/PanTadeusz