Progress on issue #24, pickle and unpickle of models now works.
Removed some print statements
Thread safe pickle/unpickle
Raise error is dolfin is not installed
Set logging level to error to disable ffc output that does not mean anything to most users
using tempfile for serialization of the model file
Merge pull request #27 from briandrawert/picklable_model

using tempfile for serialization of the model file
work in progress
Merge branch 'picklable_model' of https://github.com/ahellander/pyurdme into picklable_model
Fixed bugs in use of temporary files
Merge pull request #25 from ahellander/picklable_model

Progress on issue #24, pickle and unpickle of models now works.