Refactor: Made ipac/irsa/sha kwargs keyword only

Author: nkphysics

astroquery/ipac/irsa/sha/core.py

@@ -21,7 +21,7 @@
 uri = 'https://sha.ipac.caltech.edu/applications/Spitzer/SHA/servlet/DataService?'
 
 
-def query(coord=None, ra=None, dec=None, size=None, naifid=None, pid=None,
+def query(*, coord=None, ra=None, dec=None, size=None, naifid=None, pid=None,
           reqkey=None, dataset=2, verbosity=3, return_response=False,
           return_payload=False):
     """
@@ -157,7 +157,7 @@ def parse_line(line, cs=cs):
     return table
 
 
-def save_file(url, out_dir='sha_tmp/', out_name=None):
+def save_file(url, *, out_dir='sha_tmp/', out_name=None):
     """
     Download image to output directory given a URL from a SHA query.