Add support for single quotes that are escaped through single quotes
- Extend DatabaseHelperShared#context_aware_mysql_string_split
  - Detect double single-quotes in fields
- Add specs for this feature
Fix typo in Readme
Merge branch 'master' into feature/support-single-quote-escaped-single-quotes
Merge branch 'feature/support-single-quote-escaped-single-quotes'
get rid of greedy end to insert finding regexs