arosics

components.CoReg_local.COREG_LOCAL:
- added keyword 'force_quadratic_win'

components.Tie_Point_Grid.Tie_Point_Grid:
- implemented keyword 'force_quadratic_win'

coreg_cmd:
- parameter '-quadratic_win' is now working for global and local approach
- added parameter 'tieP_filter_level' for adjusting tie point filter level

updated __version__