Merge pull request #1020 from emmanuel-keller/master

Bug fixes and improvement
Merge pull request #1021 from emmanuel-keller/master

Upgrade libraries
Documentation: add page for StopWords and URL Filter
Documentation: fix typo
Merge pull request #1024 from AlexandreToyer/master

Documentation: add page for StopWords and URL Filter
Documentation: fix typo
Documentation: fix typo
Merge pull request #1025 from AlexandreToyer/master

Documentation: fix typo
Documentation: add page for synonyms
Documentation: fix typo
Documentation: fix typo
Merge pull request #1026 from AlexandreToyer/master

Documentation: add page for synonyms
Merge pull request #1027 from emmanuel-keller/master

Update change log
Update how_to_extract_specific_information_from_web_pages.md

Language/clarity improvements
Update how_to_use_URL_filter_feature.md

Structure/clarity/language improvements
Update how_to_set_up_stop_words.md

Language/clarity improvements. Two brownie points for the Gad Elmaleh reference.
Documentation: analyzers
Merge pull request #1034 from emmanuel-keller/master

Bug fixes
Merge pull request #1038 from emmanuel-keller/master

Implements #1035
Documentation: analyzers