use Json Dumps for analysis
add tests for JsonReader + Refactoring
use safer comma removal
add commonsMedia type
fix only first qualifier was parsed
fix only first reference group was parsed
add url support
Merge pull request #13 from Wikidata-lib/useJsonDumps

use Json Dumps for analysis
Merge branch 'master' of https://github.com/Wikidata-lib/PropertySuggester-Python into ConsiderClassifyingProperties

Conflicts:
	propertysuggester/parser/JsonReader.py
	propertysuggester/test/parser/test_json_reader.py