adds '_fill_blanks' argument to mommy.make which fills blank and null fields
removed whitespace
updated readme
resolving skip logic conflict in mommy
base list functionality for filling blanks
changing global fill_in_blanks to field attribute for undefined fields
adding boolean _fill_blanks support
adding _fill_blanks tests for more use cases
changing _fill_blanks to _fill_optional to clarify null inclusion
updating docs to include _fill_optional
Updated requirements to fit better with other projects.
Updated documentation to reflect actual pip install command for dev requirements.
Merge pull request #181 from kevinlondon/bugfix/requirements

Updated requirements to fit better with other projects.
Add sequence test for override definition field #184
Fix sequence error #184
Merge pull request #185 from ruimashita/master

Fix sequence error when override definition field
Change get_url to generate URL with trailing splash.

URLField in django by default force to store url with trailing splash in the end.
Let's generate url with tailing splash that after save or update value is not changed.

To avoid problems like this:

```AssertionError: u'http://www.BskxixnfuHpzmpjKTsuoSCdNBHdOdV.com' != u'http://www.BskxixnfuHpzmpjKTsuoSCdNBHdOdV.com/'```
Merge pull request #187 from yrik/patch-1

Change get_url to generate URL with trailing splash.
fix django 1.7 compatibility issues
version bump