Merge pull request #28 from tp9/master

Added camera
Merge pull request #30 from PygameProjects/master

Merge from PygameProjects
Merge pull request #31 from PygameProjects/master

Sync repo
Merge pull request #4 from tp9/master

Added doors. Ability to use keys on doors.
Merge pull request #32 from PygameProjects/master

Sync repo
Added game menu and ability to save the map file