Fixed some miss-matched "Usages"

!bring usage changed from !grab [name|slot#|clear] to !bring [name|slot#]
!bubble usage changed from !lockname [name|slot#] to !bubble [name|slot#]
Fixed Minor Grammatical Errors

Line 146: have been caught by global changed to has been caught by global 
Line 274: Couldnt insert global to database changed to Couldn't insert global to database
Line 422: Command is !ghandicap, but the type of global in g_global.c was set to "handycap"
Another miss-match fix

Line 8650: !grab: changed to !nobuild:
Merge pull request #1 from Opey/master

Grammar/Text mistakes