Functions, memory management, class separation

Separated class from main code.  Class is in "hell0.h".  Cannot separate
to cpp file due to templates.

Added "clear" function to Sentence class.
Added "addSpace" function to Sentence class.
Added "addSymbol" function to Sentence class.

Added deconstructor for Word class to properly destroy linked list.

Added "newLine" function to hell0w0rld namespace.
Removed unnecessary shit.

Doesn't include unnecessary shit.