typo fix
Implemented lua function calling
Removed obsolete files
Added lua file io mode
Added example sphere lua files
Updated git ignore
Can read files from working directory or data dir with -d flag
Added q command, shortcut for quit
Merge branch 'gridfromlua' into dev
Make header guards consistant
Switched from vectors to stl arrays to index grid
Added example lua command script
Switched to storing data in a 1d vector
doing lua calls directly gives a slight speed improvement
removed unused lua::get_function function
Merge branch 'gridopt' into dev
cleaned up header guards
renamed problems to examples
updated readme
Merge branch 'cleanup' into dev