Draw all sugar classes
glycans.xml needs to be extended! The list to use can be found here: https://www.ncbi.nlm.nih.gov/glycans/snfg.html
Presently only these classes are drawn:
- Hexose
- HexNAc
- Hexosamine
- Hexuronate
- Deoxyhexose
These needs to be added:
- DeoxyhexNAc
- Di-deoxyhexose
- Pentose
- Deoxynonulosonate
- Di-deoxynonulosonate
- Unkwnown
- Assigned