Initial input parsing.
Fixed regexes, nicer output.
Made parser much more robust, deals with unknowns now.
Made parser much more robust, deals with unknowns now.
Revert "Made parser much more robust, deals with unknowns now."

This reverts commit 0d99d9728f91c4545efaaf6ff7b760c09d08efd1.
Added comments and PEP8ised it.
removed redundant brackets in regex.
Fixed Nones getting into the maze.
Added comment stripping.
Added `` as alternate walls.
Added `` as alternate walls.
Added some more structure, Implemented movement.
Changed default direction for car to left.
Merge branch 'master' of github.com:olls/maze-interpreter-v2