Advanced issues:

	* option to limit revision library size (smart revlib)
	* option to cache pages with a good algo (smart cache)
	* add autoconf/automake
	* support signed archives (how?)

Missing views:

	* history (log history with or without file constraint)
	* annotate (file annotation)

View improvements:

	* support binary files (and images) in diff view
	* provide alternative css, alternative template set?
	* support file meta changes in log

Perl library issues:

	* separate arch-perllib in some future
	* cleanup and redesign some code
	* unify common API of Arch::Session and Arch::Library
	* add new Arch::Log class
	* add tests
