WIP #32, WIP #33
WIP #33

Implementation of START
WIP #33

START function implemented
WIP #33

Finished implementing STOP
WIP #33

Implemented CHECK
WIP #33

Implemented ESTIMATE
Fixed #33

README changes
Fixed #29

Starting consecutive session: Display the time I've been gone
WIP #34

Initial configuration
Minor fixes
WIP #34

CLI support
Fixed #35

Rebrand the script to ninjahr
Merge pull request #36 from pglaz/classes_methods

Classes methods