* Bug Fixes *
+ - #1264, fix st_dwithin(geog, geog, 0).
- #1694, fix building with clang.
- #1708, improve restore of PosgreSQL 9.1 backups.
- #1714, more robust handling of high topology tolerance.
- #1789, fix false edge-node crossing report in ValidateTopology.
- #1790, fix toTopoGeom handling of duplicated primitives.
- #1791, fix ST_Azimuth with very close but distinct points.
+ - #1805, put back the 900913 SRID entry.
- #1819, fix floating point issues with ST_World2RasterCoord and
ST_Raster2WorldCoord variants.
- #1825, fix prepared geometry cache lookup