temp experimentation
organizes marc data
starts item-data.
adds item-fields.
adds item-fields.
starts holdings work.
better blends holdings data and barcode data into item-list.
refactors.
refactors callnumber grab.
refactors.
adds show-marc flag.
removes logger from class.
renames module & class.
moves module to utils.
adds convienence caller def.
adds unit-tests.
cleanup.
hooks web-call to wrapper.
adds location.
Merge pull request #15 from birkin/master

improves data display