Renamed proceedings files
Added more extensions to .gitignore
Expanded some 'Co.' abbreviations in publisher field
Added annotation, when only paper book is available
Added one more paper book annotation
Fixed Clarchies Requeil #22
Removed Domenico transcription note
Small readme modifications
Added more python extensions to .gitignore
Removed "default" target from makefile
Added some books from polish libraries, added links to Karol Mestenhauser books
Added russian late 19th centure Caprise dance
Changed << to « and >> to »
Added some russian books
Added key and shorthand for danish book by V. D. W.
Modified Readme.md
Added language and hyphenation fields for polish.bib
Some cleanup in sty files
Removed person from "paper book available" phrase
Added beta support for lists in isbn field