v0.0.8

• Introduction of find_by() method for Entities
• Introduction of save() method for Entities
• Support for Query Operators (>, >=, <, <=)
• Support for Conjunction Operators (AND, OR) in queries
• Change Fields to be full-fledged Descriptors to control getting/setting values
• Introduction of Support for References and Associations (HasOne and HasMany)
• Remove Pylint from static code analysis and use Flake8