v0.6.0b

Change Log

• Added transactions
• Fixes postgres connection class
• Refactored major parts of the codebase
• Improved eager loading
• Changed root namespace from masoniteorm.orm to just masoniteorm
• improved query scopes
• Changed class relationship structures
• Added model meta model to quick class instantiation.
• Added last inserted ID to all 3 connection classes
• Added post processor class concept
• Added MorphTo polymorphic relationship class.