Update parsemets.py
Update parsemets.py

Edits to the CREATED attribute based on https://github.com/CCA-Public/scope/commit/aeed318ac4531369ecce4f744f80bc3c9e22fcb0
timothyryanwalsh/METSFlask,timothyryanwalsh/METSFlask,timothyryanwalsh/METSFlask