[PB] Auto Title Case

Add-on [PB] Auto Title Case 1.7.0

Added character whitelist
Eg: Inverted question and exclamation marks ¿¡ will be skipped on case transformation
Added support for [tl] Social Groups
Added whitelist of words that transformation will be ignored.
Example with "Upper First Letter Of Every Word" case type and "a" word in whitlist: This Will Be a Thread Title
Added option to set allowed UPPERCASE TITLE percentage (there will be no case conversion if the percentage is lower than specified)