Rewriter Fixes

[jasonqxu]

Wrapping implicit comments - contributed by Anthony Burzillo

• Add test with incorrect wrapping for comments
• Add test for continuation comments
• Add failing test related to the context of coments after replacement
• Fix comments after forced continuations
• Refactor chunk expansion with documentation
• Add test for inline comments going over 72

Fix incorrect line wrap from eager comment detection - contributed by Vaibhav Yenamandra

• Track quotations between chunks while searching
• When looking for a '!' in source, search outside strings

[jasonqxu]

The rewriter fixes in this PR were implemented after the integration of fixed-form rewriter. Sync them up with fortran-src.

[raehik]

Nice fixes, thank you Jason for the upstream! Merging (Windows CI is failing with an unrelated issue).