FF1: Added URange fix for Bizhawk 2.9 support

URange wasn't moved to common.lua (and no longer exists in connector_ff1.lua) when the lua files were changed for Bizhawk 2.9 socket change.

data/lua/common.lua

@@ -31,6 +31,7 @@ local untestedBizhawkMessage = "Warning: this version of bizhawk is newer than w
 u8 = memory.read_u8
 wU8 = memory.write_u8
 u16 = memory.read_u16_le
+uRange = memory.readbyterange
 
 function getMaxMessageLength()
   local denominator = 12
@@ -99,4 +100,4 @@ function checkBizhawkVersion()
     print(untestedBizhawkMessage)
   end
   return true
-end
+end