Created basic Bib class and wrlc module
add init file to catalogs module
added bibid conversion from GT or GMU to WRLC
spacing
Created setter and getter functionality through the dot operator for the Bib class. Added gtbib and gmbib functionality to wrlc bibid lookup
fixed altscripts() method
Added related standard number lookup to wrlc
changed mfhd object init
Fleshed out Holding() class and wrlc.holding() retrieval function
created Item object and items() retrieval in wrlc module.
fixed bugs with Item construction and removed suppressed bibis from wrlc.related bib lookup
rewrote wrlc related bib lookup to accept multiple types of std numbers in one call
lots of bug fixes to models and wrlc functions
more bug fixes
lots of minor tweaks to object constructors to avoid None values. First draft at item() view
moved some eligibility logic out of the code and into settings metadata
Added microdata type lookup to bib class
adjusted template for new objects
fixed the None type error, closes #205
merging changes on refactor