Update gapAnalysis.py
Update gapAnalysis.py

Added exchange and transport reactions, as well as iterations to growMatch
JuBra/cobrapy,aebrahim/cobrapy,zakandrewking/cobrapy,JuBra/cobrapy,jerkos/cobrapy,aebrahim/cobrapy,zakandrewking/cobrapy,jeicher/cobrapy,jeicher/cobrapy,jerkos/cobrapy