TODO-list:
==========

* replace all townwall rooms by inherit TOWNWALL
* replace all roads by SY_STREET
* move weapons/armours to std-dirs
* update the pathes to weapons/armours
* add more search-able places and objects
* add some hidden things (detect skill...)
* add climbing skill for all room near the townwall - maybe allow climbing
    in one or two rooms?
* add exa-msgs for vitems
* add additional msgs to the ../std/sy_street - animal_msgs array
* add beggars, robbers, small bats for the townwall

