Fixed IDL synthax for function/procedure declared arguments.
Fixed IDL synthax for system variables.
Fixed vec_t::push_back(vec_t<D-1>) for empty vec_t.
Added fitsr2c tool to convert row-oriented FITS files to column-oriented
(i.e. the format that phy++ is using to read & write FITS tables).
Added convolve_img.
Enable intialization lists for in_bin.
Can now 'match' a catalog in merging process (will not create new
sources if failing to cross match).
Added ~ operator to IDL syntax.
Merge branch 'master' of github.com:cschreib/phypp