changing some names for Issue #12, add method for Issue #13
Renamed setup to get_items and made docstring-config optional for Issue #11 and Issue #12
saving work, expect code to break
revamping mgbuild options
simplified incremental build option
removed list command and put -u/--usage into build for Issue #10 [ci skip]
Rewriting builder docs [ci skip]
More builder doc changes [ci skip]
More builder doc changes [ci skip]
Yet more builder doc changes [ci skip]
doc updates and fixing of component-level tests
Incremental building docs, code enhancements
added parallel build diagram and Features intro section [ci skip]
updated ChangeLog and bumped version
put VERSION in file for easy access