DI: better exception messages
Revert "Debugger: error.phtml erases HTML output"
Debugger bluescreen: fixed collapsed class in stacktrace

Conflicts:
	Nette/Diagnostics/templates/bluescreen.phtml
Session: Fixed notice "The expiration time is greater than the session expiration" with memcache handler [Closes #1395]

   * in case when "memcache" is set as session.save_handler and session.gc_maxlifetime is set to "0" (never expires, see http://www.php.net/manual/en/memcache.set.php)
Latte: path may starts with \ [Closes #1259]
CachingIterator: IteratorAggregate may be recursive
PhpGenerator: Helpers::dump - fixed dumping of private a protected properties [Closes nette/php-generator#1]
fixed in_array
marked @internal methods
tests: removed bad Finder test