New Biblio objects and XML parsing MEDLINE citations

svn path=/bioperl-live/trunk/; revision=3512
defined() on hashes and arrays is depreciated, removed

svn path=/bioperl-live/trunk/; revision=3518
changing pattern for get/set method in biblio objects

svn path=/bioperl-live/trunk/; revision=3526
removing interfaces from biblio objects

svn path=/bioperl-live/trunk/; revision=3527
new MEDLINE-specific Biblio objects

svn path=/bioperl-live/trunk/; revision=3542
several new methods in Ref.pm

svn path=/bioperl-live/trunk/; revision=3552
*** empty log message ***

svn path=/bioperl-live/trunk/; revision=3569
*** empty log message ***

svn path=/bioperl-live/trunk/; revision=3573
*** empty log message ***

svn path=/bioperl-live/trunk/; revision=3586
changes in web-service interface and in documentation

svn path=/bioperl-live/trunk/; revision=3637
typos fixed in doc

svn path=/bioperl-live/trunk/; revision=4181
Replaced bioperl.org/bioperl-bugs/ with bugzilla.bioperl.org.

svn path=/bioperl-live/trunk/; revision=4940
removed module specific $VERSION, all modules now use global one from Bio::Root::Version

svn path=/bioperl-live/trunk/; revision=6203
fix Revision string problems

svn path=/bioperl-live/trunk/; revision=8560
Biblio modules updated to reflect the new location and API changes in the OpenBQS service at EBI

svn path=/bioperl-live/trunk/; revision=9038
Updating mailing lists URL

svn path=/bioperl-live/trunk/; revision=10069
Updated bug reporting

svn path=/bioperl-live/trunk/; revision=10084
use base, return true

svn path=/bioperl-live/trunk/; revision=10525
Removed unused "use vars ($Revision); $Revision = ...."

svn path=/bioperl-live/trunk/; revision=10622
removed bad "new Bio::Module" syntax, replaced with "Bio::Module->new"

svn path=/bioperl-live/trunk/; revision=11480