[Fix #926] BlockNesting was not auto-generating correctly.
Merge pull request #933 from tmorris-fiksu/block_nesting_squash

[Fix #926] BlockNesting was not auto-generating correctly.
[Fix #936] Fix a false positive in OpMethod

Some people might opt to name an unused method argument `_other`, so we allow
this name as well.
add useless access modifier lint cop