update: new table format (retrocompatible), bug correction and plotting ability

requirements.txt

@@ -4,16 +4,24 @@ astroquery==0.4.7
 beautifulsoup4==4.12.3
 certifi==2024.8.30
 charset-normalizer==3.4.0
+contourpy==1.3.1
+cycler==0.12.1
+fonttools==4.55.0
 html5lib==1.1
 idna==3.10
 jaraco.classes==3.4.0
 jaraco.context==6.0.1
 jaraco.functools==4.1.0
 keyring==25.5.0
+kiwisolver==1.4.7
+matplotlib==3.9.3
 more-itertools==10.5.0
 numpy==2.1.3
 packaging==24.2
+pillow==11.0.0
 pyerfa==2.0.1.5
+pyparsing==3.2.0
+python-dateutil==2.9.0.post0
 pyvo==1.6
 PyYAML==6.0.2
 requests==2.32.3