Implemented Ctrl+A, Ctrl+X and Ctrl+C. Fixed errors in DeleteSelection.
Implemented Ctrl+A, Ctrl+X and Ctrl+C.
Fixed errors in DeleteSelection.

WheretIB/nullc,WheretIB/nullc,WheretIB/nullc,WheretIB/nullc,WheretIB/nullc,WheretIB/nullc,WheretIB/nullc