Fixed chaining semantics after outdent
Merge pull request #3317 from xixixao/chainafteroutdent

Chaining semantics after arguments with outdent
Improve error messages for generated tokens
Merge pull request #3319 from xixixao/issue1096

Fix 1096, 1131, 1828: Improve error messages for generated tokens
Fix 1275
Merge pull request #3320 from xixixao/issue1275

Fix #1275
Update nightly to master