0.3 release

[bsnacks000]

This PR will contain solutions for:

• 17

• 15

• 16

[bsnacks000]

@kgasiorowski @tinnaing347 ... i will write unittests for new stuff but have a look before I do if you can...

• views.py is ported from bemadb ( #16 )
• WhereListQ allows us to pass Filter objs at runtime ( for #15 )
• Updates return types of dbentity (for #17 )