new:
 - [getall( message to dump out all data sequentially
 - [keys( + [values( to dump out all keys, values of map, multimap

version 0.2
 - possible to store pointers now as keys, values, ... (for pd graphical datastructures)
 - h_map: IMPORTANT: [add ( has changed !!! now it resets the value,
   if the key is already in the map !
   (this should break no patches I hope !)
 - compiles with gcc4 now (templates reworked)
 - huge memory leak fixed
 - some bug fixes
 - some internal changes

version 0.1
 - basic functionality