AutoLogin: All responses now update the framework cookies
Proxy: Fixed out-of-scope error for TemplateScope helper class
path_traversal: Added more fingerprints for /etc/passwd

[Issue #351]
Bumped version to 0.4.3.1 and updated README
Merge branch 'release/v0.4.3.1' into experimental
Restored dev versions and docs
Merge branch 'experimental' into v0.5