* Fixed a privacy leak caused by using a separate gnutls tls
connection to grab remote HTTPS certificates which ignored
http_proxy
* Disabled/removed threading since gnutls sideband thread is no longer
necessary
* Added command to increment/decrement page numbers in URLs
* Added enable_cache setting to enable/disable cache (disabled by
default)
* Pluged some memory leaks
* Fixed some warnings and bugs caused by GTK 3.8
* Fixed typo in manpage
Ok abieber@
d1c2cf5dc5