Switch from using 'base' to instead use (the more light-weight) 'parent'

for specifying inheritance.

modules/Bio/EnsEMBL/ApiVersion.pm

@@ -42,7 +42,7 @@ use warnings;
 
 use Exporter;
 
-use base qw( Exporter );
+use parent qw( Exporter );
 
 our @EXPORT = qw( software_version );
 

modules/Bio/EnsEMBL/DBSQL/GOTermAdaptor.pm

@@ -37,7 +37,7 @@ package Bio::EnsEMBL::DBSQL::GOTermAdaptor;
 use strict;
 use warnings;
 
-use base qw( Bio::EnsEMBL::DBSQL::OntologyTermAdaptor );
+use parent qw( Bio::EnsEMBL::DBSQL::OntologyTermAdaptor );
 
 =head2 new
 

modules/Bio/EnsEMBL/DBSQL/OntologyDBAdaptor.pm

@@ -36,7 +36,7 @@ package Bio::EnsEMBL::DBSQL::OntologyDBAdaptor;
 use strict;
 use warnings;
 
-use base qw ( Bio::EnsEMBL::DBSQL::DBAdaptor );
+use parent qw ( Bio::EnsEMBL::DBSQL::DBAdaptor );
 
 sub get_available_adaptors {
   return {

modules/Bio/EnsEMBL/DBSQL/OntologyTermAdaptor.pm

@@ -59,7 +59,7 @@ use Bio::EnsEMBL::Utils::Exception qw( throw );
 
 use Bio::EnsEMBL::OntologyTerm;
 
-use base qw( Bio::EnsEMBL::DBSQL::BaseAdaptor );
+use parent qw( Bio::EnsEMBL::DBSQL::BaseAdaptor );
 
 =head2 new
 

modules/Bio/EnsEMBL/DBSQL/SOTermAdaptor.pm

@@ -38,7 +38,7 @@ package Bio::EnsEMBL::DBSQL::SOTermAdaptor;
 use strict;
 use warnings;
 
-use base qw( Bio::EnsEMBL::DBSQL::OntologyTermAdaptor );
+use parent qw( Bio::EnsEMBL::DBSQL::OntologyTermAdaptor );
 
 =head2 new
 

modules/Bio/EnsEMBL/IdMapping/StableIdGenerator/AedesAegypti.pm

@@ -26,7 +26,7 @@ package Bio::EnsEMBL::IdMapping::StableIdGenerator::AedesAegypti;
 use strict;
 use warnings;
 
-use base qw(Bio::EnsEMBL::IdMapping::StableIdGenerator::EnsemblGeneric);
+use parent qw(Bio::EnsEMBL::IdMapping::StableIdGenerator::EnsemblGeneric);
 
 sub increment_stable_id {
 

modules/Bio/EnsEMBL/IdMapping/StableIdGenerator/AnophelesGambiae.pm

@@ -30,7 +30,7 @@ package Bio::EnsEMBL::IdMapping::StableIdGenerator::AedesAegypti;
 use strict;
 use warnings;
 
-use base qw(Bio::EnsEMBL::IdMapping::StableIdGenerator::EnsemblGeneric);
+use parent qw(Bio::EnsEMBL::IdMapping::StableIdGenerator::EnsemblGeneric);
 
 sub increment_stable_id {
 

modules/Bio/EnsEMBL/OntologyTerm.pm

@@ -40,7 +40,7 @@ use warnings;
 
 use Bio::EnsEMBL::Utils::Argument qw( rearrange );
 
-use base qw( Bio::EnsEMBL::Storable );
+use parent qw( Bio::EnsEMBL::Storable );
 
 =head2 new
 

modules/Bio/EnsEMBL/Utils/Eprof.pm

@@ -52,7 +52,7 @@ use warnings;
 use Bio::EnsEMBL::Utils::Exception ('throw');
 use Bio::EnsEMBL::Utils::EprofStack;
 
-use base('Exporter');
+use parent qw( Exporter );
 our @EXPORT_OK =
   ( 'eprof_start', 'eprof_end', 'eprof_dump', 'eprof_reset' );
 

modules/Bio/EnsEMBL/Utils/Scalar.pm

@@ -61,7 +61,7 @@ $Revision$
 use strict;
 use warnings;
 
-use base qw(Exporter);
+use parent qw(Exporter);
 our @EXPORT_OK = qw(check_ref assert_ref);
 
 use Bio::EnsEMBL::Utils::Exception qw(throw);