fix Issue 9912 - Wrong codegen when using tuple over member variable in more than one method
fix Issue 9936 - Wrong opBinary/opBinaryRight rewrite.

opBinary, opBinaryRight, and opOpAssign had same problem.
fix Issue 9919 - Symbol lookup fails with public import and mixin
Merge pull request #1899 from 9rnsr/fix9936

Issue 9936 - Wrong opBinary/opBinaryRight rewrite.
Merge pull request #1901 from 9rnsr/fix9919

[REG2.062] Issue 9919 - Symbol lookup fails with public import and mixin
Merge pull request #1881 from 9rnsr/fix9912

Issue 9912 - Wrong codegen when using tuple over member variable in more than one method
fix Issue 9939 - allMembers trait doesn't returns members of nested anonymous enum
Merge pull request #1902 from IgorStepanov/allmembersenum

Fixes Issue 9939 allMembers trait doesn't returns members of nested anonymous enum