Fix broken link to list of distros supported by the installation script
Merge branch 'release/1.6.0.2'
Cosmetic
Fix Invalid URL configured by user, error: Invalid URL "00:00:00:00:00:00". #2410
Merge branch 'feature/fix_2410' into develop
Cosmetic
Minor perf improvement
Cosmetic
Minor code cleanup
Less string concat
Faster string replace
Cosmetic
Improve the memoized cache by using LRU
Decorating smart_fill with memoize
Fix assert self._state == OPEN #2419
Cosmetic
Merge pull request #2478 from 3rdDegree/master

Fix broken link to list of distros supported by the installation script
Fix build issue found at https://circleci.com/gh/andresriancho/w3af-module/70
Fixing string.translate bugs
https://circleci.com/gh/andresriancho/w3af/784
TypeError: translate() takes exactly one argument (2 given)
Avoiding some issues with pip and unverified files / allow external
Just in case someone adds a space by mistake in the content-type, something like "Content-Type: text/html ; encoding=utf-8"