[!] Only generate exception handler if memory access wasn't handled (erg not a stack access) (Would be nice if we handled exceptions directly like is done on the PSP!)
[!] Don't set delay slot if op code is nop
[+] Implemented SLL,SRL, SRA for W32 dynarec (disabled for now until I test some more)
[!] Added FIXME note on R4300_InstructionHandlerNeedsPC

PS: code expansion is now roughly 10% smaller for the W32 dynarec :)