Version 3.1.8
- Fix missing return value MPO.svdBond method (thanks to Walter Hahn for recognizing this issue)
- Remove the make warnings on comparing size_t and int values (PR #385 Mingru Yang)
- Add syntax highlighting to readme (PR #387)
- Improvements to SVD backend options (PR #386 Daniel Bauernfeind)
- Update is_pod trait and improve .gitignore (PR #388 #391 Tanmoy B.)