synonyms will be a property of all words and is here implemented identically to examples
	modified:   wiktionary_parser/word.py
fix: parse method should return self
added SynonymeSection to handle synonyms. 95% copy-paste of
BeispieleSection, the difference is that lines have to be splitted along
commas
	modified:   wiktionary_parser/languages/de/bedeutungen.py
	modified:   wiktionary_parser/languages/de/sections.py