Key mapping for game pause function

[psycros]

When I try to use the game's creative modes I am at a big disadvantage because I'm left-handed.  I can't find any control mappings specifically for these modes so I assume that they rely on other action keys normally used for character menu, jump, etc.  In normal game mode I can remap the NUMPAD ENTER key but in creative modes it pauses the game.  I would really like to try my hand with the editors but I need the NUMPAD ENTER key for flying downwards.  I imagine other left-handers have experienced similar issues.  I hope the devs will consider adding a mapping just for the "pause game" function.