ready for release 1.0.2

- totally backwards compatible
- includes work done for swuird format fields  (methods added to searchworks.rb for format_main and sw_genre)

Once this is merged to master, we can run the rake task to release version 1.0.2 of this gem.

@lmcglohon 

See also https://jirasul.stanford.edu/jira/browse/INDEX-130