ChangeLog

v2.0 (2 Sep 2013) : Generalised input and output functionality. Added search
		    by NVSS ID and coordinates. Added extinction
		    integration.

v1.4 (24 Aug 2013): Implemented all filtering and plot mode output.

v1.3 (22 Aug 2013): Implemented GALEX parsing, filtering and output. Added command line switches.
		    Added option for file output and output format customisation.
		    To do:
		      + NED, WISE and 2MASS filtering
		      + Plot mode for plot-ready output

v1.2 (15 Aug 2013): Implemented 2MASS parsing and output. Runtime output is more descriptive.
		    To do:
		      + GALEX support
		      + Results filtering
		      + File output
		      + Data output formatting with conf file
		      + Non-UNIX newline characters
		      + Inconsistent GALEX messages

v1.1 (15 Aug 2013): New approach to data storage. Outputs in .dat-ready format.
		    Supports data fetching from NED, WISE and 2MASS, but parsing and output of NED and WISE data only.
		    Basic error-handling implemented (ie descriptive custom exceptions).
		    To do:
		      + Results flags
		      + 2MASS parsing and output
		      + GALEX support
		      + Results filtering

v1.0 (9 Aug 2013) : Initial release. Implements SED frequency-flux data fetching from NED
		    with uncertainties and units. Test source data hard-coded into script.
		    To do:
		      + Error-handling
		      + WISE/2MASS data
		      + dat file formatting
		      + Results filtering