Updated README file with coverage instructions
include LICENSE, AUTHORS, and tests in tarballs

Fixes #56.
Merge remote-tracking branch 'danc86ofxparse/56-license-tests-in-tarballs'
Updating AUTHORS
Version number bump.
add support for parsing ledger and available balance dates
Tolerate missing <TICKER> in securities list.
Merge pull request #59 from egh/master

Add support for parsing ledger and available balance dates.

Thanks to Erik Hetzner (egh) :)
Merge pull request #60 from nix/master

Tolerate missing <TICKER> in securities list.

A missing ticker in securities would cause the ticker to be dropped.  Now the security is included.

Thanks to Nick Thompson (nix)!