tweak changelog
Bump version
First pass at batch-delete

When updating a large DB, rather than deleting old records as we go, delete in
one big batch at the end for efficiency.
add to changelog
Improve tests
try to fix 1.8.7
Merge pull request #33 from eapache/optimize-delete

Optimize delete
bump version
Give some feedback when exporting.

The silence was unnerving.
Merge pull request #34 from eapache/export-output

Give some feedback when exporting.
Bump version

The next trunk version will be contain some new stuff, so should be 1.1.0.

If bugs are discovered that require releasing a 1.0.5, I'll create a 1.0.x
maintenance branch.
Use magic to dynamically load language extractors

neatly removes the hard-coded list of classes, making new languages just involve
dropping in the file, nothing more
fix Coffeescript capitalization
Add to changelog
Merge pull request #40 from eapache/dynamic-lang-load

Dynamic lang load
factor read_db out of db.load