4.9.1 bug fix release

Issues fixed

• Invalid C# code being generated (code-gen)
• netstandard 2.0 build (comp:build, target:csharp)

Pull requests grouped by target

csharp target

• Fix typo (target:csharp)
• ensure 1 statement per line to help debug (target:csharp)
• C# runtime upgrade (comp:build, target:csharp)

cpp target

• travis: upgrade c++ build to focal & llvm 10 (comp:build, target:cpp)

go target

java target

javascript target

• upgrade ini (target:javascript)
• Potential fix to #2980 (target:javascript)
• rollback partially incorrect fix for #2902 (target:javascript)
• Fixed exception clauses in JS template. (target:javascript)
• 🚑 fix bad import (target:javascript)

python2 target

• Fix incorrect python token string templates (target:python2, target:python3)
• add optional encoding for string input in python 2 (target:python2)

python3 target

• Improve python3 performance by adding slots (target:python3)
• Fix incorrect python token string templates (target:python2, target:python3)
• Py3 Runtime: distribute the tests (target:python3)

Contributors

• 8 items: ericvergnaud
• 2 items: Ivan Kochurkin (KvanTTT)
• 1 items: Alex Mykyta (amykyta3)
• 1 items: Ozzah
• 1 items: Tabari Alexander (tehbone)
• 1 items: David Phillips (electrum)
• 1 items: maxence-lefebvre
• 1 items: Jim Baltikauskas (JBaltika)
• 1 items: Felix N (felixn)
• 1 items: Michael R. Crusoe (mr-c)