diff --git a/doc/release_new_version b/doc/release_new_version
index 6738a709..8e25888e 100644
--- a/doc/release_new_version
+++ b/doc/release_new_version
@@ -166,7 +166,8 @@ git tag -s -m "Released as $YYYYMMDD ('$TAG')" $TAG
 git tag -s -m "Released as $YYYYMMDD ('$TAG')" $YYYYMMDD
 
 git push
-
+git push origin $TAG
+git push origin $YYYYMMDD
 
 == Update documentation ==
 
diff --git a/src/niceload b/src/niceload
index e2fa6dc4..c72a281b 100755
--- a/src/niceload
+++ b/src/niceload
@@ -239,13 +239,6 @@ sub usleep {
     select(undef, undef, undef, $secs/1000);
 }
 
-sub deepusleep {
-    # Sleep this many milliseconds. Dont let children wake us up
-    my $sigchld = $SIG{'CHLD'};
-    $SIG{'CHLD'} = undef;
-    usleep(@_);
-    $SIG{'CHLD'} = $sigchld;
-}
 
 sub debug {
     if($opt::debug) {
@@ -616,7 +609,7 @@ sub sleep_for_recheck {
 	print STDERR "Sleeping $self->{'recheck'}s\n";
     }
     ::debug("recheck in $self->{'recheck'}s\n");
-    ::deepusleep(1000*$self->{'recheck'});
+    ::usleep(1000*$self->{'recheck'});
 }
 
 
@@ -627,7 +620,7 @@ sub sleep_while_running {
 	$self->{'runtime'} = int($self->{'runtime'}*100)/100;
 	print STDERR "Running $self->{'runtime'}s\n";
     }
-    ::deepusleep(1000*$self->{'runtime'});
+    ::usleep(1000*$self->{'runtime'});
 }
 
 
diff --git a/src/parallel b/src/parallel
index dac10ecd..b006add9 100755
--- a/src/parallel
+++ b/src/parallel
@@ -1518,66 +1518,6 @@ sub shell_quote_file {
     return $a;
 }
 
-sub _shellwords {
-    # '"'"'\""'"'  foo\ bar\"   '\" '\ quux => (q("'""), 'foo bar"', '\"  quux');
-    my $s = shift;
-    # TODO: fails on " -v"
-    my (@words);
-    while($s =~ s{^
-          (
-           (
-            [^\\'"\s]+ | # Not quoted
-            '[^']*' | # '....' - inside '
-            \\. | # \? - quote single char
-            "( # Begin "
-              [^"\\]* | # Not quoted
-              (\\.)* # \? - quote single char
-            )*" # End "
-           )+
-          )
-          (\s+|$)
-          }{}xs
-	) {
-	# split into words
-	push @words, $1;
-    }
-    for my $w (@words) {
-	my @wordpart;
-	while($w =~ s{^
-          (
-           [^\\'"\s]+ | # Not quoted
-           '[^']*' | # '....' - inside '
-           \\. | # \? - quote single char
-           "( # Begin "
-             [^"\\]* | # Not quoted
-             (\\.)* # \? - quote single char
-           )*" # End "
-          ) }{}xs) {
-	    my $wp = $1;
-	    while($wp =~ s{^
-              ([^\\'"\s]+) | # Not quoted
-              '([^']*)' | # '....' - inside '
-              \\(.) | # \? - quote single char
-              "( # Begin "
-                [^"\\]* | # Not quoted
-                (\\.)* # \? - quote single char
-              )*" # End "
-              }{}xs) {
-		push @wordpart, $1, $2, $3;
-		my $doubleq = $4;
-		while($doubleq =~ s{^
-                  ([^"\\]+) | # Not quoted
-                  \\(.) # \? - quote single char
-                  }{}x) {
-		    push @wordpart, $1, $2;
-		}
-	    }
-	}
-	$w = join("",@wordpart);
-    }
-    return @words;
-}
-
 sub shellwords {
     # Input:
     #   $string = shell line
@@ -3131,7 +3071,6 @@ sub which {
 		q(s/^.{$s}//; print "@F[1,2] $_"' );
 	    # BSD-style `ps`
 	    my $bsd = q(ps -o pid,ppid,command -ax);
-	    # TODO test these on Cygwin, darwin
 	    %pid_parentpid_cmd =
 	    (
 	     'aix' => $sysv,
@@ -5242,13 +5181,23 @@ sub set_endtime {
 }
 
 sub timedout {
+    # Is the job timedout?
+    # Input:
+    #   $delta_time = time that the job may run
+    # Returns:
+    #   True or false
     my $self = shift;
     my $delta_time = shift;
     return time > $self->{'starttime'} + $delta_time;
 }
 
 sub kill {
-    # kill the jobs
+    # Kill the job.
+    # Send the signals to (grand)*children and pid.
+    # If no signals: TERM TERM KILL
+    # Wait 200 ms after each TERM.
+    # Input:
+    #   @signals = signals to send
     my $self = shift;
     my @signals = @_;
     my @family_pids = $self->family_pids();
@@ -5280,10 +5229,10 @@ sub kill {
     }
 }
 
-
-
 sub family_pids {
     # Find the pids with this->pid as (grand)*parent
+    # Returns:
+    #   @pids = pids of (grand)*children
     my $self = shift;
     my $pid = $self->pid();
     my @pids;
@@ -5308,6 +5257,10 @@ sub family_pids {
 
 sub failed {
     # return number of times failed for this $sshlogin
+    # Input:
+    #   $sshlogin
+    # Returns:
+    #   Number of times failed for $sshlogin
     my $self = shift;
     my $sshlogin = shift;
     return $self->{'failed'}{$sshlogin};
@@ -5315,6 +5268,8 @@ sub failed {
 
 sub failed_here {
     # return number of times failed for the current $sshlogin
+    # Returns:
+    #   Number of times failed for this sshlogin
     my $self = shift;
     return $self->{'failed'}{$self->sshlogin()};
 }
@@ -5358,13 +5313,13 @@ sub min_failed {
 
 sub total_failed {
     # Returns:
-    #   the number of times this command has failed
+    #   $total_failures = the number of times this command has failed
     my $self = shift;
     my $total_failures = 0;
     for (values %{$self->{'failed'}}) {
 	$total_failures += $_;
     }
-    return ($total_failures);
+    return $total_failures;
 }
 
 sub wrapped {
@@ -5463,6 +5418,7 @@ sub set_sshlogin {
     my $sshlogin = shift;
     $self->{'sshlogin'} = $sshlogin;
     delete $self->{'sshlogin_wrap'}; # If sshlogin is changed the wrap is wrong
+    delete $self->{'wrapped'};
 }
 
 sub sshlogin {
diff --git a/testsuite/tests-to-run/parallel-local22.sh b/testsuite/tests-to-run/parallel-local22.sh
index 7d570c87..e07064f1 100755
--- a/testsuite/tests-to-run/parallel-local22.sh
+++ b/testsuite/tests-to-run/parallel-local22.sh
@@ -41,8 +41,8 @@ echo '### Bug before 2009-08-26 causing regexp compile error or infinite loop (I
   echo a | parallel -qX echo  "'{}'"
 
 echo '### bug #42041: Implement $PARALLEL_JOBSLOT'
-  parallel -k --slotreplace // -j2 sleep 1\;echo // ::: {1..4}
-  parallel -k -j2 sleep 1\;echo {%} ::: {1..4}
+  parallel -k --slotreplace // -j2 sleep 1\;echo // ::: {1..4} | sort
+  parallel -k -j2 sleep 1\;echo {%} ::: {1..4} | sort
 
 echo '### bug #42363: --pipepart and --fifo/--cat does not work'
   seq 100 > /tmp/bug42363; 
diff --git a/testsuite/tests-to-run/test13.sh b/testsuite/tests-to-run/test13.sh
index c58df869..6ef1fd6c 100755
--- a/testsuite/tests-to-run/test13.sh
+++ b/testsuite/tests-to-run/test13.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 echo '### Test -k'
-ulimit -n 70
+ulimit -n 50
 (echo "sleep 3; echo begin"; seq 1 30 | parallel -kq echo "sleep 1; echo {}"; echo "echo end") \
 | stdout parallel -k -j0
 
diff --git a/testsuite/tests-to-run/test19.sh b/testsuite/tests-to-run/test19.sh
index 52246715..2658cbae 100644
--- a/testsuite/tests-to-run/test19.sh
+++ b/testsuite/tests-to-run/test19.sh
@@ -122,6 +122,6 @@ stdout ssh $SSHLOGIN1 ls 'tmp/parallel.file*' || echo OK
 # Should give: No such file or directory
 stdout ssh $SSHLOGIN2 ls 'tmp/parallel.file*' || echo OK
 echo 'Input for ssh'
-cat /tmp/myssh1-run /tmp/myssh2-run | perl -pe 's/(PID.)\d+/${1}00000/g'
+cat /tmp/myssh1-run /tmp/myssh2-run | perl -pe 's/(PID.)\d+/${1}00000/g;s/(SEQ[ =]|line)\d/$1X/g;'
 rm /tmp/myssh1-run /tmp/myssh2-run
 
diff --git a/testsuite/wanted-results/parallel-local13 b/testsuite/wanted-results/parallel-local13
index cb0281e0..85afc158 100644
--- a/testsuite/wanted-results/parallel-local13
+++ b/testsuite/wanted-results/parallel-local13
@@ -1,9 +1,6 @@
 ### Tests from xargs
-parallel: Warning: Only enough file handles to run 248 jobs in parallel.
-Running 'parallel -j0 -N248 --pipe parallel -j0' or raising ulimit -n or /etc/security/limits.conf may help.
 echo '### -0 -n3 echo < files0.xi'
 ### -0 -n3 echo < files0.xi
-parallel: Warning: No more file handles. Raising ulimit -n or /etc/security/limits.conf may help.
 stdout xargs -0 -n3 echo < files0.xi
 /src/gnu/autoconf-1.11 /src/gnu/autoconf-1.11/README /src/gnu/autoconf-1.11/Makefile.in
 /src/gnu/autoconf-1.11/INSTALL /src/gnu/autoconf-1.11/NEWS /src/gnu/autoconf-1.11/COPYING
diff --git a/testsuite/wanted-results/parallel-local22 b/testsuite/wanted-results/parallel-local22
index d158faa1..77570b93 100644
--- a/testsuite/wanted-results/parallel-local22
+++ b/testsuite/wanted-results/parallel-local22
@@ -31,15 +31,15 @@ echo '### Bug before 2009-08-26 causing regexp compile error or infinite loop (I
 'a'
 echo '### bug #42041: Implement $PARALLEL_JOBSLOT'
 ### bug #42041: Implement $PARALLEL_JOBSLOT
-  parallel -k --slotreplace // -j2 sleep 1\;echo // ::: {1..4}
+  parallel -k --slotreplace // -j2 sleep 1\;echo // ::: {1..4} | sort
+1
 1
 2
+2
+  parallel -k -j2 sleep 1\;echo {%} ::: {1..4} | sort
+1
 1
 2
-  parallel -k -j2 sleep 1\;echo {%} ::: {1..4}
-1
-2
-1
 2
 echo '### bug #42363: --pipepart and --fifo/--cat does not work'
 ### bug #42363: --pipepart and --fifo/--cat does not work
diff --git a/testsuite/wanted-results/test19 b/testsuite/wanted-results/test19
index 7e7a76d2..d8cf0b8e 100644
--- a/testsuite/wanted-results/test19
+++ b/testsuite/wanted-results/test19
@@ -77,35 +77,35 @@ OK
 Input for ssh
 parallel@parallel-server1 mkdir -p ./.
 -l parallel parallel-server1 rsync --server -lDrRze.iLsfx . ./.
--tt -oLogLevel=quiet parallel@parallel-server1 eval `echo $SHELL | grep "/t\{0,1\}csh" > /dev/null  && echo setenv PARALLEL_SEQ 1\;  setenv PARALLEL_PID 00000  || echo PARALLEL_SEQ=1\;export PARALLEL_SEQ\;  PARALLEL_PID=00000\;export PARALLEL_PID` ; tty >/dev/null && stty isig -onlcr -echo;cat tmp/parallel.file.'
-'newline1 > tmp/parallel.file.'
-'newline1.out;cat tmp/parallel.file.'
-'newline1 > tmp/parallel.file.'
-'newline1.out2
+-tt -oLogLevel=quiet parallel@parallel-server1 eval `echo $SHELL | grep "/t\{0,1\}csh" > /dev/null  && echo setenv PARALLEL_SEQ X\;  setenv PARALLEL_PID 00000  || echo PARALLEL_SEQ=X\;export PARALLEL_SEQ\;  PARALLEL_PID=00000\;export PARALLEL_PID` ; tty >/dev/null && stty isig -onlcr -echo;cat tmp/parallel.file.'
+'newlineX > tmp/parallel.file.'
+'newlineX.out;cat tmp/parallel.file.'
+'newlineX > tmp/parallel.file.'
+'newlineX.out2
 -l parallel parallel-server1 cd ././tmp; rsync --server --sender -lDrRze.iLsfx . ./parallel.file.'
-'newline1.out
+'newlineX.out
 -l parallel parallel-server1 cd ././tmp; rsync --server --sender -lDrRze.iLsfx . ./parallel.file.'
-'newline1.out2
+'newlineX.out2
 parallel@parallel-server1 (rm -f ./tmp/parallel.file.'
-'newline1; rmdir ./tmp/ ./ 2>/dev/null;)
+'newlineX; rmdir ./tmp/ ./ 2>/dev/null;)
 parallel@parallel-server1 (rm -f ./tmp/parallel.file.'
-'newline1.out; rmdir ./tmp/ ./ 2>/dev/null;)
+'newlineX.out; rmdir ./tmp/ ./ 2>/dev/null;)
 parallel@parallel-server1 (rm -f ./tmp/parallel.file.'
-'newline1.out2; rmdir ./tmp/ ./ 2>/dev/null;)
+'newlineX.out2; rmdir ./tmp/ ./ 2>/dev/null;)
 parallel@parallel-server2 mkdir -p ./.
 -l parallel parallel-server2 rsync --server -lDrRze.iLsfx . ./.
--tt -oLogLevel=quiet parallel@parallel-server2 eval `echo $SHELL | grep "/t\{0,1\}csh" > /dev/null  && echo setenv PARALLEL_SEQ 2\;  setenv PARALLEL_PID 00000  || echo PARALLEL_SEQ=2\;export PARALLEL_SEQ\;  PARALLEL_PID=00000\;export PARALLEL_PID` ; tty >/dev/null && stty isig -onlcr -echo;cat tmp/parallel.file.'
-'newline2 > tmp/parallel.file.'
-'newline2.out;cat tmp/parallel.file.'
-'newline2 > tmp/parallel.file.'
-'newline2.out2
+-tt -oLogLevel=quiet parallel@parallel-server2 eval `echo $SHELL | grep "/t\{0,1\}csh" > /dev/null  && echo setenv PARALLEL_SEQ X\;  setenv PARALLEL_PID 00000  || echo PARALLEL_SEQ=X\;export PARALLEL_SEQ\;  PARALLEL_PID=00000\;export PARALLEL_PID` ; tty >/dev/null && stty isig -onlcr -echo;cat tmp/parallel.file.'
+'newlineX > tmp/parallel.file.'
+'newlineX.out;cat tmp/parallel.file.'
+'newlineX > tmp/parallel.file.'
+'newlineX.out2
 -l parallel parallel-server2 cd ././tmp; rsync --server --sender -lDrRze.iLsfx . ./parallel.file.'
-'newline2.out
+'newlineX.out
 -l parallel parallel-server2 cd ././tmp; rsync --server --sender -lDrRze.iLsfx . ./parallel.file.'
-'newline2.out2
+'newlineX.out2
 parallel@parallel-server2 (rm -f ./tmp/parallel.file.'
-'newline2; rmdir ./tmp/ ./ 2>/dev/null;)
+'newlineX; rmdir ./tmp/ ./ 2>/dev/null;)
 parallel@parallel-server2 (rm -f ./tmp/parallel.file.'
-'newline2.out; rmdir ./tmp/ ./ 2>/dev/null;)
+'newlineX.out; rmdir ./tmp/ ./ 2>/dev/null;)
 parallel@parallel-server2 (rm -f ./tmp/parallel.file.'
-'newline2.out2; rmdir ./tmp/ ./ 2>/dev/null;)
+'newlineX.out2; rmdir ./tmp/ ./ 2>/dev/null;)