use class wrapper to wrap pigvalue instances to call them from collections
//class wrapper around pig value allows values to be called from collections
var test = PigValue()
var dict = [String:PigWrapper]()
dict["soo"] = PigWrapper(val: test)
MakeValue.parsePigValue(&dict["soo"]!.pig, string: "\"fooo\"")
print(dict["soo"]!.pig.string!)