made windows share valid and added invalid uri
added regex format validators for (email, ipv4, ipv6, hostname)
enabled user override of uri and email validation
fixed SchemaNode enum identification to check length instead of just null
sorted properties and definitions in schema diagrams
cleaned up warnings
removed usage of logging_handlers
upgraded to 0.7.1 for logging, path and unittest
upgraded to 0.24.4 for hop
regen moved private members to bottom of class for readability
moved private variables from json_schema.dart to validator.dart
removed dependency on logging_handlers for schemadot
schema_dot lib now cuts off anyOf, allOf, oneOf entries at 30 chars
added process of the $schema property
added several sample schema from https://github.com/fge/sample-json-schemas
wrote script to generate png files from sample schema