Only split twice when getting PI information
Only split twice when getting PI information

Some of the PI's affiliations have commas in them

antgonza/qiita,squirrelo/qiita,RNAer/qiita,wasade/qiita,biocore/qiita,antgonza/qiita,ElDeveloper/qiita,squirrelo/qiita,josenavas/QiiTa,biocore/qiita,wasade/qiita,antgonza/qiita,antgonza/qiita,RNAer/qiita,RNAer/qiita,squirrelo/qiita,biocore/qiita,biocore/qiita,wasade/qiita,ElDeveloper/qiita,adamrp/qiita,josenavas/QiiTa,adamrp/qiita,adamrp/qiita,adamrp/qiita,ElDeveloper/qiita,RNAer/qiita,ElDeveloper/qiita,josenavas/QiiTa,josenavas/QiiTa,squirrelo/qiita