4.4.7 Release Notes------------------- o Added NTv2 (.gsb) grid shift file support.   o Modified datum shift support so that data file data is only loaded if   needed.  Also added 'null' grid as a fallback option, and support for    making grids optional (prefix with '@' in +nadgrids).  o Regenerated nad/epsg file with towgs84 parameters for non-greenwich prime    meridians. o Updated nad/esri file with better generated form from Paul Ramsey. o Various bug fixes. 4.4.6 Release Notes------------------- o Incorporated new lcca (Lambert Conformal Conic Alternate) projection from   Gerald. o Updated 'espg' translation file for EPSG 6.2.2 with better support for   prime meridians.  o Added Prime Meridians via +pm command switch to cs2cs (and pj_transform). o Fixed bug with 7 parameter transforms.  o Added 'esri' pseudo-epsg coordinate system file.  o Cleanup so that PROJ.4 compiles clean as C++ code. o Added pj_get_def() to expand definitions of stuff like +init clauses. o Added a Krovak implementation (proj=krov).  Note this may change again   in the next release.