Remove now not needed "\t"s.
Make sure there is a 'test' in the test socket
Also slightly better 'null socket' message...
"A required Value, Variable Name or 'Test' is missing.\nHint:: Look for an empty 'socket' in the highlighted block."
Remove not needed \t and spaces
Say if 'test' socket empty
Slightly better 'socket null' message
TODO? Would really like to provide more info to user.
eg. What type of block requires what type of value in what type of
remove accidental BlockException import