October 14, 2008 (SVN revision: 143045)
* Added update_blastdb.pl script to distribution of BLAST+ command line 
  applications.
* Changed a few PSI-BLAST constants for pseudo-counts.
* Bug fix in blastdbcmd to distinguish non-redundant sequence titles.
* Bug fix to display BLAST database information remotely from outside NCBI for
  XML output. 

September 24, 2008 (SVN revision: 141260) 
* Fix to prevent initial seed extension from going beyond context boundary.
* Improvements to reduce memory usage when query splitting is applied.
* Print the accession and version for blastdbcmd's %a output format.
* gilists/negative gilists are not saved in search strategies or supported in
  remote blast searches.
* legacy_blast.pl fixed for MacOSX, as well as extended support for megablast
  formatting options (-D, -f).
* Enhancements to Mac installer to add installation path to user's PATH.
* ASN.1 output is now of type Seq-annot.
* -lcase_masking option now applies to subject sequences as well as queries.
* Bug fix for creation of masked databases with non-redundant sequences that use
  a BLAST database as its data source.
* Bug fix for merging masking locations.

August 21, 2008 (SVN revision: 138123)
First internal release