Release Notes:
[add] add support of Refnum/UserDefinedRefnumTag Datatype, which could be described as string.
[update] #85 Map/Set Datatype will not report error "[Error: 1](Unexpected Datatype)" thanks @wulei
[fix] #82 No Tag Mode Cluster string like "c:/abcde.txt;True" will now be converted correctly
[fix] #84 No Tag Mode Cluster String like "https://github.com/NEVSTOP-LAB" will have more chance be correctly parsed.