- add TTagHashSet class descendant of THashSet with an ability to has also a LongWord value together with key
  - change TAsmData.ConstPools[] to be an indexed property to properly initialize ConstPool class, remove pool initialization from all other units
  - add ansistring constants to pool together with their encoding to distinct the same text constants with different codepage
  + test

git-svn-id: trunk@19261 -