Add method for creating a filename with a timestamp
Only use --omerosql if explicitly provided
fix error in test
Download to a tempfile and rename if successful
Default to deleting temp file if download fails
Use python built-ins to get the hostname
Use localhost as default Database hostname
Download python OMERO.py artifact
Merge pull request #54 from manics/omero_sql

Only use omerosql param if it's explicitly passed. Use a tempfile for downloads.
Merge pull request #57 from manics/download_python

Download python OMERO.py artifact
Remove HOSTNAME (requires removal of anything related to Email)
Remove unused imports
Merge pull request #56 from manics/dbname_localhost

Database hostname