Depend on v0.1.5 in generated models
Depend on v0.1.5 in tests
Update Changes/README
v0.1.7

 - bugfix for test failures.

 [Dependencies::Changed / test requires]
 - ElasticSearchX::Model::Document 0 → v0.1.5

 [Internals]
 - Generated Models now depen On ESX::M::D 0.1.5 as earlier versions give
   weird errors, `` Can't use string ("file") as a HASH ref while "strict
   refs" in use at .../Moose/Meta/Attribute.pm line 106``