Bug fixes

New:
- Added extra feedback for long sentences
- Added extra feedback for difficult words
- Added extra feedback for adjectives
- Added extra feedback for gender-specific words
- Added extra feedback for words with a specific sentiment

Changes:
- Updated the schema for the CQ response db column
- Updated the schema for the synonyms db column

bugs and issues of php

dev release

Pareview issues and minor bugs

Fixed WSOD issue

PHP warning: Illegal String Offset issue with PHP 7.1 or above #3009392