Add following methods:
   CirclePars
   EllipsePars
   GetActiveUnit
   GetRegionMesh
   GetRegionPoints
   GetTables
   GetUnc
   Mask
   Negate
   PutTables
   PutTable
   SetActiveUnit
   SetFitsCM
   SetFitsU
   SetUnc
   ShowMesh
   StripEscapes

Add following classes:
   FitsTable
   Plot3D
   SelectorMap
   SlaMap
   SpecMap
   SwitchMap
   Table
   XmlChan

Add high level wrappers for common operations

Improve documentation

