command module exploded in multiple files, to have each command in a separate file
Merge branch 'command-files-organisation' into JSON-output
-j option added
import forgotten
empty render methods added
option -j implemented
look option updated to separate the data generation and the data rendering
imports conflicts fixed
render implemented for the commands drop, enter, exit, move and take
empty lines fixed
exception class added for the sentence
it is an error, so an exception must be thrown
render implemented for the commands talk, help and inventory
global exception class for the game
core.exception.exception used everywhere
render option initialised
renderException method updated to display json when --json option is provided
Merge branch 'exception-render' into JSON-output
module name added
Merge branch 'JSON-output' - closes #5