diff --git a/Changes b/Changes
index 2e6cf74..69a0e01 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,11 @@
+1.0.1
+  Upgrade install to pull biobambam 0.0.135
+    - fastqtobam supports Casava v1.8
+    - bamsort supports NM/MD correction during sam->bam/merge process
+  Minor enhancement to BAS reader module
+  Sample name from command line passed through to SM of RG header in bwa_mem.pl
+  SRA.pm - check that rg id is unique within run of code (thanks to Junjun Zhang)
+  Threads.pm - join interval is now configurable.
 1.0.0
   bam_stats.pl actually installed now.
   Basic *.bas perl access module.
diff --git a/MYMETA.json b/MYMETA.json
index d70d5dc..62c3f4d 100644
--- a/MYMETA.json
+++ b/MYMETA.json
@@ -53,5 +53,5 @@
       }
    },
    "release_status" : "stable",
-   "version" : "v1.0.0"
+   "version" : "v1.0.1"
 }
diff --git a/MYMETA.yml b/MYMETA.yml
index d132837..645eed5 100644
--- a/MYMETA.yml
+++ b/MYMETA.yml
@@ -35,4 +35,4 @@ requires:
   Term::UI: 0.42
   Test::Fatal: 0.013
   Try::Tiny: 0.19
-version: v1.0.0
+version: v1.0.1
diff --git a/docs.tar.gz b/docs.tar.gz
index c6ef546..5af691e 100644
Binary files a/docs.tar.gz and b/docs.tar.gz differ
diff --git a/lib/PCAP.pm b/lib/PCAP.pm
index 9f4eab2..cb06d6a 100644
--- a/lib/PCAP.pm
+++ b/lib/PCAP.pm
@@ -23,7 +23,7 @@ package PCAP;
 use strict;
 use Const::Fast qw(const);
 
-our $VERSION = '1.0.0';
+our $VERSION = '1.0.1';
 
 const my $LICENSE =>
 "#################
@@ -39,7 +39,8 @@ const my %UPGRADE_PATH => ( '0.1.0'  => 'biobambam,samtools,bwa',
                             '0.2.0'  => 'biobambam',
                             '0.2.99' => 'biobambam',
                             '0.3.0'  => 'biobambam',
-                            '1.0.0'  => '',
+                            '1.0.0'  => 'biobambam',
+                            '1.0.1'  => '',
                           );
 
 sub license {
diff --git a/lib/PCAP/Bam.pm b/lib/PCAP/Bam.pm
index 877198d..3afe7ea 100644
--- a/lib/PCAP/Bam.pm
+++ b/lib/PCAP/Bam.pm
@@ -52,7 +52,7 @@ sub new {
 }
 
 sub rg_line_for_output {
-  my ($bam, $uniq_id) = @_;
+  my ($bam, $sample, $uniq_id) = @_;
   my $sam = sam_ob($bam);
   my $header = $sam->header->text;
   my $rg_line;
@@ -64,6 +64,9 @@ sub rg_line_for_output {
       my $uuid = lc Data::UUID->new->create_str;
       $rg_line =~ s/\tID:[^\t]+/\tID:$uuid/;
     }
+    if(defined $sample) {
+      $rg_line =~ s/\tSM:[^\t]+/\tSM:$sample/;
+    }
     $rg_line =~ s/\t/\\t/g;
   }
   return ($rg_line, $sam); # also return the SAM object
diff --git a/lib/PCAP/Bam/Bas.pm b/lib/PCAP/Bam/Bas.pm
index c96b88f..ef9c663 100644
--- a/lib/PCAP/Bam/Bas.pm
+++ b/lib/PCAP/Bam/Bas.pm
@@ -80,6 +80,10 @@ sub bas_keys {
   return $self->{'keys'};
 }
 
+sub read_groups {
+  return (sort keys shift->{'_data'});
+}
+
 sub get {
   my ($self, $rg, $key) = @_;
   die qq{Readgroup '$rg' does not exist\n} unless(exists $self->{'_data'}->{$rg});
@@ -108,6 +112,10 @@ Construct an access object for BAM statistics file.
 
 Returns the list of available keys for this BAS file.
 
+=item read_groups
+
+Returns sorted list of read-groups found in this BAS file.
+
 =item get
 
 Retrieve a value by its readgroup and key:
diff --git a/lib/PCAP/Bwa.pm b/lib/PCAP/Bwa.pm
index 61014b6..410d36c 100644
--- a/lib/PCAP/Bwa.pm
+++ b/lib/PCAP/Bwa.pm
@@ -72,7 +72,7 @@ sub bwa_mem {
       $rg_line = q{'}.$input->rg_header(q{\t}).q{'};
     }
     else {
-      ($rg_line, undef) = PCAP::Bam::rg_line_for_output($input->in, 1);
+      ($rg_line, undef) = PCAP::Bam::rg_line_for_output($input->in, $options->{'sample'}, 1);
     }
 
     my $bwa = which('bwa') || die "Unable to find 'bwa' in path";
diff --git a/lib/PCAP/SRA.pm b/lib/PCAP/SRA.pm
index 408f71e..ee2f5ea 100644
--- a/lib/PCAP/SRA.pm
+++ b/lib/PCAP/SRA.pm
@@ -272,10 +272,12 @@ sub _check_seq_type {
 sub group_bams {
   my ($self, $in_seq_type) = @_;
   my %grouped;
+  my %rg_seen;
   for my $bam_ob(@{$self->{'bam_obs'}}) {
+    die "The same readgroup ID has been used in more than one BAM file, readgroup ID: ".$bam_ob->{'ID'}."\n" if $rg_seen{$bam_ob->{'ID'}}++;
     my $sm = $bam_ob->{'SM'};
     my $lb = $bam_ob->{'LB'};
-    my ($run) = $bam_ob->{'PU'} =~ m/^[[:alpha:]]+:([^_]+)_[^#]+/;
+    my ($run) = $bam_ob->{'PU'} =~ m/^.+:(.+)_\d+(#.+)?/;
     $bam_ob->{'run'} = sprintf '%s:%s', $bam_ob->{'CN'}, $run;
     my ($lib_id) = $lb =~ m/^[[:alpha:]]+:[[:alpha:]]+:(.*)$/;
     $bam_ob->{'exp'} = sprintf '%s:%s', $bam_ob->{'run'}, $lib_id;
diff --git a/lib/PCAP/Threaded.pm b/lib/PCAP/Threaded.pm
index 23ae657..90417c7 100644
--- a/lib/PCAP/Threaded.pm
+++ b/lib/PCAP/Threaded.pm
@@ -50,7 +50,8 @@ sub new {
     $max_threads = 1;
   }
   croak "Number of threads was NAN: $max_threads" if($max_threads !~ m/^[[:digit:]]+$/xms);
-  my $self = { 'threads' => $max_threads };
+  my $self = {'threads' => $max_threads,
+              'join_interval' => 1, };
   bless $self, $class;
   return $self;
 }
@@ -68,6 +69,16 @@ sub add_function {
   return 1;
 }
 
+sub thread_join_interval {
+  my ($self, $sec) = @_;
+  if(defined $sec) {
+    croak 'join_interval must be an integer' if($sec !~ m/^[[:digit:]]+$/);
+    croak 'join_interval must be 1 or more' if($sec < 1);
+    $self->{'join_interval'} = $sec;
+  }
+  $self->{'join_interval'};
+}
+
 sub run {
   my ($self, $iterations, $function_name, @params) = @_;
   croak 'Iterations must be defined' unless(defined $iterations);
@@ -89,14 +100,14 @@ sub run {
         threads->create($function_ref, $index++, @params);
         last if($index > $iterations);
       }
-      sleep 10 while(threads->list(threads::joinable) == 0);
+      sleep $self->thread_join_interval while(threads->list(threads::joinable) == 0);
       for my $thr(threads->list(threads::joinable)) {
         $thr->join;
         if(my $err = $thr->error) { die "Thread error: $err\n"; }
       }
     }
     # last gasp for any remaining threads
-    sleep 2 while(threads->list(threads::running) > 0);
+    sleep $self->thread_join_interval while(threads->list(threads::running) > 0);
     for my $thr(threads->list(threads::joinable)) {
       $thr->join;
       if(my $err = $thr->error) { die "Thread error: $err\n"; }
diff --git a/setup.sh b/setup.sh
index 4464475..398df29 100755
--- a/setup.sh
+++ b/setup.sh
@@ -3,8 +3,8 @@
 SOURCE_BWA="https://github.com/lh3/bwa/archive/0.7.7.tar.gz"
 SOURCE_SNAPPY="https://snappy.googlecode.com/files/snappy-1.1.1.tar.gz"
 SOURCE_IOLIB="http://downloads.sourceforge.net/project/staden/io_lib/1.13.4/io_lib-1.13.4.tar.gz"
-SOURCE_LIBMAUS="https://github.com/gt1/libmaus/archive/0.0.112-release-20140411095503.tar.gz"
-SOURCE_BIOBAMBAM="https://github.com/gt1/biobambam/archive/0.0.131-release-20140411101450.tar.gz"
+SOURCE_LIBMAUS="https://github.com/gt1/libmaus/archive/0.0.115-release-20140423163910.tar.gz"
+SOURCE_BIOBAMBAM="https://github.com/gt1/biobambam/archive/0.0.135-release-20140423164503.tar.gz"
 SOURCE_SAMTOOLS="https://github.com/samtools/samtools/archive/0.1.19.tar.gz"
 
 done_message () {
diff --git a/t/3_external_progs.t b/t/3_external_progs.t
index 91290d3..9e752bb 100644
--- a/t/3_external_progs.t
+++ b/t/3_external_progs.t
@@ -17,15 +17,15 @@ my %EXPECTED_VERSION = (
                         'bamcollate2'       => {
                               'get'   => q{ -h},
                               'match' => qr/This is biobambam version ([[:digit:]\.]+)\./,
-                              'version'       => ['0.0.131']},
+                              'version'       => ['0.0.135']},
                         'bammarkduplicates' => {
                               'get'   => q{ -h},
                               'match' => qr/This is biobambam version ([[:digit:]\.]+)\./,
-                              'version'       => ['0.0.131']},
+                              'version'       => ['0.0.135']},
                         'bamsort'           => {
                               'get'   => q{ -h},
                               'match' => qr/This is biobambam version ([[:digit:]\.]+)\./,
-                              'version'       => ['0.0.131']},
+                              'version'       => ['0.0.135']},
                         'bwa'           => {
                               'get'   => q{},
                               'match' => qr/Version: ([[:digit:]\.]+[[:alpha:]]?)/, # we don't care about the revision number
diff --git a/t/pcapBamBas.t b/t/pcapBamBas.t
index c93efd1..7b9187b 100644
--- a/t/pcapBamBas.t
+++ b/t/pcapBamBas.t
@@ -8,6 +8,7 @@ use Const::Fast qw(const);
 const my $MODULE => 'PCAP::Bam::Bas';
 const my $RG_1 => 1;
 const my $EXP_MEDIAN => '462.000';
+const my $RG_ORDER => [qw(1 2 3 4 5 6)];
 
 use FindBin qw($Bin);
 my $test_data = "$Bin/../testData";
@@ -29,6 +30,8 @@ subtest 'Access checks' => sub {
   my $obj = new_ok($MODULE => [$bas]);
   is($obj->get($RG_1, 'median_insert_size'), $EXP_MEDIAN, 'Get expected value with correct key');
   is($obj->get($RG_1, 'wibble'), undef, 'Get undef with unknown key');
+  my @rgs = $obj->read_groups;
+  is_deeply(\@rgs, $RG_ORDER, 'Readgroups returned sorted');
   like(exception { $obj->get(99, 'wibble'); }, qr/Readgroup '.*' does not exist/, 'Expected error, unkown RG');
 };