Änderungen

Summary

1. fixes and saftey checks (details)

Commit 220b1f97490c2487d6831ef65ce70e4441ee8afc by frotty fixes and saftey checks
	wurst/util/Json.wurst (diff)
	wurst/util/LZW.wurst (diff)
	wurst/util/BigString.wurst (diff)