getKeys() now returns String keys from an Object even if they look like they could be Numbers
getKeys() now returns String keys from an Object even if they look like
they could be Numbers

Change-Id: Id9e8fd519869f4a6b100bb2f14bdc4ba72434d0f

WeaveTeam/WeaveJS,WeaveTeam/WeaveJS,WeaveTeam/WeaveJS,WeaveTeam/WeaveJS