Implemented the construction pattern for variables, added an uninitialised state...
tree2662fed85177b56824eaf0f2cba315e9ed9a7fda
drwxr-xr-x - fridh
drwxr-xr-x - interpreter
drwxr-xr-x - lexer
-rw-r--r-- 1760 main.cpp
drwxr-xr-x - parser
drwxr-xr-x - shared
drwxr-xr-x - variable