Dataclasses-avroschema

Feat

- One To Many relationship added
- One to One schema relationship added
- Travis added

Fix

- Default values for Map and Array
- Map, Array and Enum types fixed. Schema Parse tests added with fastavro
- License added
- mkdocs links updated

Feat

- clean & publish scrips added. Docs added
- avro_schema method added to SchemaGenerator class. Doc added.
- Aliases and Namespaces avro check added

Fix

- clean & publish scripts should be executables
- Exclude default type only when is a tuple
- The avro schema returned should be string, not a python dict.
- Package renamed to dataclasses_avroschema