propagate filter name in mongoengine, peewee and pymongo for
`ModelView.get_list()`
add tests for mongoengine and peeweemodel filters
Merge pull request #714 from bocribbz/fix_propagate_filter_name

Fix filters for mongoengine, peewee and pymongo
add empty, between, and list filters + tests to mongoengine and peewee
rename custom-sqla-filter example to sqla-custom-filter
Merge pull request #717 from pawl/newfiltersmongoengine

add empty, between, and list filters + tests to mongoengine and peewee
fix mongoengine and peewee exceptions when filtering for noninteger values
Merge pull request #718 from pawl/newfiltersmongoengine

fix mongoengine and peewee exceptions when filtering for non-integer values
add tests for integer/float validation, fix In List filter validation
Merge pull request #719 from pawl/newfiltersmongoengine

fix "In List" integer/float filter validation
Use col-md to match rest of form on mobile devices
fix active filters when named_filter_urls are used
Merge pull request #720 from gstf/mobile-col-fix

Use col-md to match rest of form on mobile devices
Merge pull request #722 from pawl/fixnamedfilters

Fix active filters when named_filter_urls=True