Add default option.
Merge pull request #33 from teeparham/or_is_null

Add table scope to or_is_null_condition
Merge pull request #30 from pathable/default

Add default option.
Bundle update
Merge branch 'master' of github.com:joelmoss/bitmask_attributes
Bumping to version 0.4.0
remove Gemfile.lock
ignore Gemfile.lock
Merge pull request #34 from teeparham/remove_gemfile_lock

Remove Gemfile.lock
whitespace cleanup
Merge pull request #36 from teeparham/whitespace

whitespace cleanup
do not overwrite saved bitmask value to default
Merge pull request #38 from teeparham/default

do not overwrite saved bitmask value to default - fixes #35