1.4 -> 1.5
   * made database byte order independent

1.3 -> 1.4
   * Supports number in trie (which makes db pretty big)

1.2 -> 1.3
   
   * Builds shared library if libdl is present
   * Builds tclftdb.so if libtcl is present, which can be loaded from
     any tcl interpretor

1.1 -> 1.2
 
   * Fixed broken autoconf
   * Added tclX, TiX support when those are available
   * added "make install"

1.0 -> 1.1

   * Fiddled with broken autoconf stuff
   * Changed to support tcl 7.4 and tk 4.0
