Update robot_maze_bfs.md
minor music bug in lvl21
blocking some exploits in lvl16 -- close #127, close #125
Merge pull request #122 from RockerM4NHUN/patch-1

Update robot_maze_bfs.md
Update and rename robot_maze_bfs.md to 13_robot_maze.md
resolving user-created items in inventory bug -- fix #81, fix #134
Merge branch 'master' of github.com:AlexNisnevich/untrusted
build