Add any .jar files found in the sketch directory to the import path.
Add any .jar files found in the sketch directory to the import path.

Fixes https://github.com/jdf/Processing.py-Bugs/issues/133

mashrin/processing.py,tildebyte/processing.py,tildebyte/processing.py,jdf/processing.py,jdf/processing.py,mashrin/processing.py,jdf/processing.py,tildebyte/processing.py,mashrin/processing.py