adding in new scale options, removing detector check as causes issues when only using detectors which aren't parsed as pykat objects yet

fixing senstype error for qshot, altering parseCommands so that commands can be parsed into a particular block

Adding in removeBlock command to completetly remove one from the kat object. Adding in lock, func and variable parsing.

adding in cav command parsing. Adding in helper method to return all objects of a particular type that are present in a particular kat object