Improved performances of qxmatch by only computing the first neighbor in reverse search.
Fixed bug in find_source where coordinate was always understood as sexagesimal.
Improved getgal: can now launch ds9 to display a 3 color image of the galaxy.
Moved psf generation from psffit to astro library.
Added print_radec & catalog_t::assign.
Added subsrc tool, to generate residual maps.
Fixed a bug in qxmatch using threads.
Added support for ASCII source list.
Improved error messages when failing value extraction.
Improved catalog matching by allowing to only select a portion of the catalog.
Moved some parameters of template_fit to a parameter struct.