Fastjsonschema

* Fix nested oneOf and anyOf
* Fix if-else block in anyOf block
* Fix uniqueItems including lists or dicts
* Add option to pass custom formats in generated code

* Fix parsing date-time with +hhmm format
* Fix generating code with custom regular expressions

* Fix additional property equal to empty object is the same as True
* Fix const with "
* Add const to error message
* Add JsonSchemaValueException (replacement for JsonSchemaException)
* JsonSchemaException is base exception
* JsonSchemaDefinitionException no longer inherits from JsonSchemaValueException
* New option `use_default` to have option turn off default feature (`True` by default to be compatible)

* Fix missing dependencies
* Fix schema cache

* Fix $id property
* Add extra properties to error message when additionalProperties are set to False
* Better exception message when referencing schema is not valid JSON

* Tuple is also valid array