why not try manual old fashioned 'two person' bleed and see if that helps the situation. after all it's worth a try.
and here's an article that might help with the situation though unlikely given your pedal was fine before the bleeding.

here's for a faulty M/C diagnosis.
http://www.babcox.com/editorial/bf/bf120312.htm

and here's one to troubleshoot a mushy pedal.
http://www.babcox.com/editorial/bf/bf60133.htm

good luck and please do post the progress. many would find the troubleshooting helpful i'm sure.

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Whether you think you can or cannot, Either way you're right!. by Henry Ford.