squashed commits into 1 commit# This is a combination of 23 commits.
Added logic for iterating through slaves of same label, also added textfields for primed instances count and window

creating and terminating of instances functioning correctly

deleted unneeded functions

primed instances count and related features in working order

field for time picker partially working

It's working! YEAHHHHHHH!!!!!

no more test errors

some corrections done on code, added the new class for Primed Instance window

most corrections complete

changes mostly done

changes ~100% complete

removed filler code

added accessor methods for abstractslave
:

verified most functionality

 removed unnecessary space

removed unnecessary logs

changed something...

rebased, tests passing

ui portion of days of the week for primed instances work

fixed string comparison issues

counted provisioning slaves in countidleslaves

basic tests added

added tests for invalid time formats for PIWindow