initial commit

- added a Maze generator that creates mazes recursively
- added a Maze generator that creates it iteratively using backtracking
slight cleanup
changed the characters the maze draws
slight enhancements to the non-recursive maze
Changed the way elements were being deleted out of the unvisited list

- the non-recursive maze now creates mazes significantly faster
Added some comments
Changed the name of Maze.rb
Changed so concatenation of strings uses << instead of +
changed the way i'm concatenating cornerpiece to the dashes string
currently does a breadth first search for the final node

- does not actually find the path just finds the final node
added checking for arguments temporarily took out the call to solve maze
took out uneeded variable
Merge branch 'master' of github.com:dmaugeri/Ruby-Maze-Generator