Fixed issue #522: Scope contamination when using multiple gridviews.
Fixed issue #522: Scope contamination when using multiple gridviews.

elijah513/YiiBooster,strong2much/YiiBooster3,elijah513/YiiBooster,clevertech/YiiBooster,strong2much/YiiBooster3,strong2much/YiiBooster2,strong2much/YiiBooster3,armano2/YiiBooster,strong2much/YiiBooster3,armano2/YiiBooster,elijah513/YiiBooster,armano2/YiiBooster,clevertech/YiiBooster,clevertech/YiiBooster,strong2much/YiiBooster2,strong2much/YiiBooster2,elijah513/YiiBooster,armano2/YiiBooster,clevertech/YiiBooster