Merge pull request #183 from seaweedchan/master

Support for seaweedchan/4chan-x/
Fix #181 and close #174.
Fix #177 and fix #172.
Release 3.0.4
Release 3.0.4
Clean changelog.
Fix #184.
Fix #187.
Fix expanding form input width.
Fix expanding input transitions, Fix #189.
Change 4chan X menu style.
Really fix #189.
Close #188.
Fix misc styling.
Fix #191.
Update readme.