mezoGIS 0.1.5:
 * added simple labeling
 * added a wizard for graduated colour maps
 * added internationalisation support (see locale/messages.pot)
 * The user gets asked if he wants to VACUUM ANALYSE a table before opening it.
 * Layer view now support copy/paste operations
 * layer data is now stored in python lists
 * zoom in with the mouse wheel
 * total table size is shown in table view

mezoGIS 0.1.4:
 * improved zooming
 * map extents are saved in the project file
 * new selection tools: "point" and "bbox"
 * new "geometry clipboard"
 * map extents are computed at startup using "get_estimated_extent", which
   requires the table to be vacuum analysed first.
 * If no analysis data is available, the map extent is computed when loading
 * a lot of refactoring

mezoGIS 0.1.2:
 * The treeview used to display table data does not support int or
   float fields any more, because they cannot handle NULL values.

mezoGIS 0.1.1:
 * zoom and pan
 * several symbols for point data, can be selected from Layer props
 * nice hand cursors from eog
 * setup now installs GeoTypes along with mezoGIS
 * history gets restored on startup
 * database dialogue allows to specify port (thanks Homme!)
 * some refactoring, some improvements

mezoGIS 0.1.0:
 * initial release