Merge branch 'sqlalchemy' into devel
Notes about exceptions to handle
Update database.communicate to use CharonSession object methods
Death to sthlm2UUSNP
Rerun FAILED flowcells (temporary Nestor fix until Nestor starts behaving itself)
Merge pull request #80 from mariogiov/devel

Death to sthlm2UUSNP / rerun FAILED flowcells while Nestor is being difficult