v3.1.1

• Fixed issues with fortran compilation of nllfast on lxplus (thanks Jonas Wuerzinger for reporting this)
• Added filter for slogdet warnings (relevant on MacOS)
• Minor fixes in slha printer
• Bumped up pythia8 from 8315 to 8317 (fixes "force" bug)
• Fixed bug preventing the extended output to be printed
• Added final states information to output
• Fix for pyslha 3.3.1
• Small fixes in slha printer, pyhf interface
• Database extension: ATLAS-SUSY-2019-04 (UL), ATLAS-SUSY-2018-19 (EM), TRV1nunu added to CMS-EXO-20-004, ATLAS-SUSY-2018-22-multibin, ATLAS-SUSY-2018-22, ATLAS-EXOT-2018-06