Added a few helping files to .gitignore
Added support for scaling, and execution only of main
Updated sesameQueryUrl
Bring up to date with changes in master for options
Added the --rescale option argument
Added zoom option

Allows for ratio zooming, instead of just specifying the scale
Added support for the rescale argument

The rescale argument uses "estimated" zooming.
Added comment on division import
Removed unused functools import
File with objects for testing the size-aware rescaling
Complete support for reading files with coordinates

When the --mode SDSS_COORDINATES is selected, this changes support the
parsing of the file (using astropy.table), and look for ra, dec, and
size columns, and possible an objid, name, source or target column.
Fixes inconsistencies between master and autosize
Merge pull request #10 from juandesant/autosize

Autosize implemented, and available in master.