work on related instances 530, 767,777; remove dcterms namespace; issue 54 518
fix derivedfrom workId
improve efficiency on identifiers; fix derivedFrom
add formatofmusic grid
work on 534 orig version
improve copyNote, shelfMark, move hashable to function
move complexnotes
fixed hashable to exclude subfielde0468 from names, and suppress quotes
 fix 520 issue 24
fixed issue 26, serial issue dates
choppunc on relators code 7xx, issue 78
Added explanatory comment about bf-hashable.
Added license.
Providing for the use of context document as input to saxon.xqy
Update saxon.xqy
start 090-092 fix; add standalone 880s
 standalone 880s; issue 81
issue 82, 505 vernaculars
issue 82, 505 vernaculars: multiple 's
issue 82, 505 vernaculars: multiple 's