diff --git a/dev/common_batch.sh b/dev/common_batch.sh
index 508c8ac..1569b4b 100755
--- a/dev/common_batch.sh
+++ b/dev/common_batch.sh
@@ -1,9 +1,9 @@
 #!/usr/bin/env bash
 SUBPROGRAM=[prgname]
 PROGRAM="$SUBPROGRAM-batch" # Batch program to run osync / obackup instances sequentially and rerun failed ones
-AUTHOR="(L) 2013-2018 by Orsiris de Jong"
+AUTHOR="(L) 2013-2020 by Orsiris de Jong"
 CONTACT="http://www.netpower.fr - ozy@netpower.fr"
-PROGRAM_BUILD=2018100201
+PROGRAM_BUILD=2020031502
 
 ## Runs an osync /obackup instance for every conf file found
 ## If an instance fails, run it again if time permits
@@ -34,12 +34,11 @@ elif [ -w /var/tmp ]; then
 else
 	RUN_DIR=.
 fi
-
-trap TrapQuit TERM EXIT HUP QUIT
-
 # No need to edit under this line ##############################################################
 
 include #### Logger SUBSET ####
+include #### CleanUp SUBSET ####
+include #### GenericTrapQuit SUBSET ####
 
 function CheckEnvironment {
 	## osync / obackup executable full path can be set here if it cannot be found on the system
@@ -129,6 +128,8 @@ function Usage {
 	exit 128
 }
 
+trap GenericTrapQuit TERM EXIT HUP QUIT
+
 opts=""
 for i in "$@"
 do
diff --git a/dev/common_install.sh b/dev/common_install.sh
index 02c89c3..6bec72c 100755
--- a/dev/common_install.sh
+++ b/dev/common_install.sh
@@ -10,7 +10,7 @@ PROGRAM_BINARY=$PROGRAM".sh"
 PROGRAM_BATCH=$PROGRAM"-batch.sh"
 SSH_FILTER="ssh_filter.sh"
 
-SCRIPT_BUILD=2019052001
+SCRIPT_BUILD=2020031502
 INSTANCE_ID="installer-$SCRIPT_BUILD"
 
 ## osync / obackup / pmocr / zsnap install script
@@ -27,62 +27,6 @@ _STATS=1
 ACTION="install"
 FAKEROOT=""
 
-function GetCommandlineArguments {
-        for i in "$@"; do
-                case $i in
-			--prefix=*)
-                        FAKEROOT="${i##*=}"
-                        ;;
-			--silent)
-			_LOGGER_SILENT=true
-			;;
-			--no-stats)
-			_STATS=0
-			;;
-			--remove)
-			ACTION="uninstall"
-			;;
-			--help|-h|-?)
-			Usage
-			;;
-                        *)
-			Logger "Unknown option '$i'" "ERROR"
-			Usage
-			exit
-                        ;;
-                esac
-	done
-}
-
-GetCommandlineArguments "$@"
-
-CONF_DIR=$FAKEROOT/etc/$PROGRAM
-BIN_DIR="$FAKEROOT/usr/local/bin"
-SERVICE_DIR_INIT=$FAKEROOT/etc/init.d
-# Should be /usr/lib/systemd/system, but /lib/systemd/system exists on debian & rhel / fedora
-SERVICE_DIR_SYSTEMD_SYSTEM=$FAKEROOT/lib/systemd/system
-SERVICE_DIR_SYSTEMD_USER=$FAKEROOT/etc/systemd/user
-SERVICE_DIR_OPENRC=$FAKEROOT/etc/init.d
-
-if [ "$PROGRAM" == "osync" ]; then
-	SERVICE_NAME="osync-srv"
-	TARGET_HELPER_SERVICE_NAME="osync-target-helper-srv"
-
-	TARGET_HELPER_SERVICE_FILE_INIT="$TARGET_HELPER_SERVICE_NAME"
-	TARGET_HELPER_SERVICE_FILE_SYSTEMD_SYSTEM="$TARGET_HELPER_SERVICE_NAME@.service"
-	TARGET_HELPER_SERVICE_FILE_SYSTEMD_USER="$TARGET_HELPER_SERVICE_NAME@.service.user"
-	TARGET_HELPER_SERVICE_FILE_OPENRC="$TARGET_HELPER_SERVICE_NAME-openrc"
-elif [ "$PROGRAM" == "pmocr" ]; then
-	SERVICE_NAME="pmocr-srv"
-fi
-
-SERVICE_FILE_INIT="$SERVICE_NAME"
-SERVICE_FILE_SYSTEMD_SYSTEM="$SERVICE_NAME@.service"
-SERVICE_FILE_SYSTEMD_USER="$SERVICE_NAME@.service.user"
-SERVICE_FILE_OPENRC="$SERVICE_NAME-openrc"
-
-## Generic code
-
 ## Default log file
 if [ -w "$FAKEROOT/var/log" ]; then
 	LOG_FILE="$FAKEROOT/var/log/$PROGRAM-install.log"
@@ -95,6 +39,8 @@ fi
 include #### UrlEncode SUBSET ####
 include #### GetLocalOS SUBSET ####
 include #### GetConfFileValue SUBSET ####
+include #### CleanUp SUBSET ####
+include #### GenericTrapQuit SUBSET ####
 
 function SetLocalOSSettings {
 	USER=root
@@ -195,15 +141,14 @@ function CopyFile {
 	local overwrite="${8:-false}"
 
 	local userGroup=""
-	local oldFileName
 
 	if [ "$destFileName" == "" ]; then
 		destFileName="$sourceFileName"
 	fi
 
 	if [ -f "$destPath/$destFileName" ] && [ $overwrite == false ]; then
-		destfileName="$sourceFileName.new"
-		Logger "Copying [$sourceFileName] to [$destPath/$destFilename]." "NOTICE"
+		destFileName="$sourceFileName.new"
+		Logger "Copying [$sourceFileName] to [$destPath/$destFileName]." "NOTICE"
 	fi
 
 	cp "$sourcePath/$sourceFileName" "$destPath/$destFileName"
@@ -291,11 +236,11 @@ function CopyServiceFiles {
 		fi
 
 		if [ -f "$SCRIPT_PATH/$TARGET_HELPER_SERVICE_FILE_SYSTEMD_SYSTEM" ]; then
-			CopyFile "$SCRIPT_PATH" "$SERVICE_DIR_SYSTEMD_SYSTEM" "$TARGET_HELPER_SERVICE_FILE_SYSTEMD_SYSTEM" "$SERVICE_FILE_SYSTEMD_SYSTEM" "" "" "" true
+			CopyFile "$SCRIPT_PATH" "$SERVICE_DIR_SYSTEMD_SYSTEM" "$TARGET_HELPER_SERVICE_FILE_SYSTEMD_SYSTEM" "$TARGET_HELPER_SERVICE_FILE_SYSTEMD_SYSTEM" "" "" "" true
 			Logger "Created optional service [$TARGET_HELPER_SERVICE_NAME] with same specifications as below." "NOTICE"
 		fi
 		if [ -f "$SCRIPT_PATH/$TARGET_HELPER_SERVICE_FILE_SYSTEMD_USER" ]; then
-			CopyFile "$SCRIPT_PATH" "$SERVICE_DIR_SYSTEMD_USER" "$TARGET_HELPER_SERVICE_FILE_SYSTEMD_USER" "$SERVICE_FILE_SYSTEMD_USER" "" "" "" true
+			CopyFile "$SCRIPT_PATH" "$SERVICE_DIR_SYSTEMD_USER" "$TARGET_HELPER_SERVICE_FILE_SYSTEMD_USER" "$TARGET_HELPER_SERVICE_FILE_SYSTEMD_USER" "" "" "" true
 		fi
 
 
@@ -307,7 +252,7 @@ function CopyServiceFiles {
 		#CreateDir "$SERVICE_DIR_INIT"
 		CopyFile "$SCRIPT_PATH" "$SERVICE_DIR_INIT" "$SERVICE_FILE_INIT" "$SERVICE_FILE_INIT" "755" "" "" true
 		if [ -f "$SCRIPT_PATH/$TARGET_HELPER_SERVICE_FILE_INIT" ]; then
-			CopyFile "$SCRIPT_PATH" "$SERVICE_DIR_INIT" "$TARGET_HELPER_SERVICE_FILE_INIT" "$SERVICE_FILE_INIT" "755" "" "" true
+			CopyFile "$SCRIPT_PATH" "$SERVICE_DIR_INIT" "$TARGET_HELPER_SERVICE_FILE_INIT" "$TARGET_HELPER_SERVICE_FILE_INIT" "755" "" "" true
 			Logger "Created optional service [$TARGET_HELPER_SERVICE_NAME] with same specifications as below." "NOTICE"
 		fi
 		Logger "Created [$SERVICE_NAME] service in [$SERVICE_DIR_INIT]." "NOTICE"
@@ -317,7 +262,7 @@ function CopyServiceFiles {
 		# Rename service to usual service file
 		CopyFile "$SCRIPT_PATH" "$SERVICE_DIR_OPENRC" "$SERVICE_FILE_OPENRC" "$SERVICE_FILE_INIT" "755" "" "" true
 		if [ -f "$SCRPT_PATH/$TARGET_HELPER_SERVICE_FILE_OPENRC" ]; then
-			CopyFile "$SCRIPT_PATH" "$TARGET_HELPER_SERVICE_DIR_OPENRC" "$SERVICE_FILE_OPENRC" "$SERVICE_FILE_INIT" "755" "" "" true
+			CopyFile "$SCRIPT_PATH" "$SERVICE_DIR_OPENRC" "$TARGET_HELPER_SERVICE_FILE_OPENRC" "$TARGET_HELPER_SERVICE_FILE_OPENRC" "755" "" "" true
 			Logger "Created optional service [$TARGET_HELPER_SERVICE_NAME] with same specifications as below." "NOTICE"
 		fi
 		Logger "Created [$SERVICE_NAME] service in [$SERVICE_DIR_OPENRC]." "NOTICE"
@@ -377,6 +322,10 @@ function RemoveAll {
 	RemoveFile "$SERVICE_DIR_SYSTEMD_USER/$SERVICE_FILE_SYSTEMD_USER"
 	RemoveFile "$SERVICE_DIR_INIT/$SERVICE_FILE_INIT"
 
+	RemoveFile "$TARGET_HELPER_SERVICE_DIR_SYSTEMD_SYSTEM/$SERVICE_FILE_SYSTEMD_SYSTEM"
+	RemoveFile "$TARGET_HELPER_SERVICE_DIR_SYSTEMD_USER/$SERVICE_FILE_SYSTEMD_USER"
+	RemoveFile "$TARGET_HELPER_SERVICE_DIR_INIT/$SERVICE_FILE_INIT"
+
 	Logger "Skipping configuration files in [$CONF_DIR]. You may remove this directory manually." "NOTICE"
 }
 
@@ -390,26 +339,65 @@ function Usage {
 	exit 127
 }
 
-function TrapQuit {
-	local exitcode=0
-
-	# Get ERROR / WARN alert flags from subprocesses that call Logger
-	if [ -f "$RUN_DIR/$PROGRAM.Logger.warn.$SCRIPT_PID.$TSTAMP" ]; then
-		WARN_ALERT=true
-		exitcode=2
-	fi
-	if [ -f "$RUN_DIR/$PROGRAM.Logger.error.$SCRIPT_PID.$TSTAMP" ]; then
-		ERROR_ALERT=true
-		exitcode=1
-	fi
-
-	CleanUp
-	exit $exitcode
-}
-
 ############################## Script entry point
 
-trap TrapQuit TERM EXIT HUP QUIT
+function GetCommandlineArguments {
+        for i in "$@"; do
+                case $i in
+			--prefix=*)
+                        FAKEROOT="${i##*=}"
+                        ;;
+			--silent)
+			_LOGGER_SILENT=true
+			;;
+			--no-stats)
+			_STATS=0
+			;;
+			--remove)
+			ACTION="uninstall"
+			;;
+			--help|-h|-?)
+			Usage
+			;;
+                        *)
+			Logger "Unknown option '$i'" "ERROR"
+			Usage
+			exit
+                        ;;
+                esac
+	done
+}
+
+GetCommandlineArguments "$@"
+
+CONF_DIR=$FAKEROOT/etc/$PROGRAM
+BIN_DIR="$FAKEROOT/usr/local/bin"
+SERVICE_DIR_INIT=$FAKEROOT/etc/init.d
+# Should be /usr/lib/systemd/system, but /lib/systemd/system exists on debian & rhel / fedora
+SERVICE_DIR_SYSTEMD_SYSTEM=$FAKEROOT/lib/systemd/system
+SERVICE_DIR_SYSTEMD_USER=$FAKEROOT/etc/systemd/user
+SERVICE_DIR_OPENRC=$FAKEROOT/etc/init.d
+
+if [ "$PROGRAM" == "osync" ]; then
+	SERVICE_NAME="osync-srv"
+	TARGET_HELPER_SERVICE_NAME="osync-target-helper-srv"
+
+	TARGET_HELPER_SERVICE_FILE_INIT="$TARGET_HELPER_SERVICE_NAME"
+	TARGET_HELPER_SERVICE_FILE_SYSTEMD_SYSTEM="$TARGET_HELPER_SERVICE_NAME@.service"
+	TARGET_HELPER_SERVICE_FILE_SYSTEMD_USER="$TARGET_HELPER_SERVICE_NAME@.service.user"
+	TARGET_HELPER_SERVICE_FILE_OPENRC="$TARGET_HELPER_SERVICE_NAME-openrc"
+elif [ "$PROGRAM" == "pmocr" ]; then
+	SERVICE_NAME="pmocr-srv"
+fi
+
+SERVICE_FILE_INIT="$SERVICE_NAME"
+SERVICE_FILE_SYSTEMD_SYSTEM="$SERVICE_NAME@.service"
+SERVICE_FILE_SYSTEMD_USER="$SERVICE_NAME@.service.user"
+SERVICE_FILE_OPENRC="$SERVICE_NAME-openrc"
+
+## Generic code
+
+trap GenericTrapQuit TERM EXIT HUP QUIT
 
 if [ ! -w "$(dirname $LOG_FILE)" ]; then
         echo "Cannot write to log [$(dirname $LOG_FILE)]."
diff --git a/dev/merge.sh b/dev/merge.sh
index 472ea97..4b0140b 100755
--- a/dev/merge.sh
+++ b/dev/merge.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-## MERGE 2019022601
+## MERGE 2020031501
 
 ## Merges ofunctions.sh and n_program.sh into program.sh
 ## Adds installer
@@ -61,6 +61,8 @@ function __PREPROCESSOR_Constants {
 	'#### SetConfFileValue SUBSET ####'
 	'#### CheckRFC822 SUBSET ####'
 	'#### CleanUp SUBSET ####'
+	'#### GenericTrapQuit SUBSET ####'
+	'#### FileMove SUBSET ####'
 	)
 }
 
diff --git a/dev/ofunctions.sh b/dev/ofunctions.sh
index 506de3a..d7a5c96 100644
--- a/dev/ofunctions.sh
+++ b/dev/ofunctions.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-## Generic and highly portable bash functions written in 2013-2019 by Orsiris de Jong - http://www.netpower.fr - ozy@netpower.fr
+## Generic and highly portable bash functions written in 2013-2020 by Orsiris de Jong - http://www.netpower.fr - ozy@netpower.fr
 
 #TODO: ExecTasks postponed arrays / files grow a lot. Consider having them "rolling" (cleaned at numberOfEvents)
 #TODO: command line arguments don't take -AaqV for example
@@ -30,8 +30,8 @@
 #### OFUNCTIONS FULL SUBSET ####
 #### OFUNCTIONS MINI SUBSET ####
 #### OFUNCTIONS MICRO SUBSET ####
-_OFUNCTIONS_VERSION=2.3.0-dev-postRC2
-_OFUNCTIONS_BUILD=2019080904
+_OFUNCTIONS_VERSION=2.3.0-RC4
+_OFUNCTIONS_BUILD=2020031502
 #### _OFUNCTIONS_BOOTSTRAP SUBSET ####
 _OFUNCTIONS_BOOTSTRAP=true
 #### _OFUNCTIONS_BOOTSTRAP SUBSET END ####
@@ -421,6 +421,26 @@ function KillAllChilds {
 	return $errorcount
 }
 
+#### GenericTrapQuit SUBSET ####
+function GenericTrapQuit {
+	local exitcode=0
+
+	# Get ERROR / WARN alert flags from subprocesses that call Logger
+	if [ -f "$RUN_DIR/$PROGRAM.Logger.warn.$SCRIPT_PID.$TSTAMP" ]; then
+		WARN_ALERT=true
+		exitcode=2
+	fi
+	if [ -f "$RUN_DIR/$PROGRAM.Logger.error.$SCRIPT_PID.$TSTAMP" ]; then
+		ERROR_ALERT=true
+		exitcode=1
+	fi
+
+	CleanUp
+	exit $exitcode
+}
+
+#### TrapQuit SUBSET END ####
+
 #### CleanUp SUBSET ####
 function CleanUp {
 	# Exit controlmaster before it's socket gets deleted
@@ -439,26 +459,9 @@ function CleanUp {
 		rm -f "$RUN_DIR/$PROGRAM."*".$SCRIPT_PID.$TSTAMP.tmp"
 	fi
 }
+
 #### CleanUp SUBSET END ####
 
-function GenericTrapQuit {
-	local exitcode=0
-
-	# Get ERROR / WARN alert flags from subprocesses that call Logger
-	if [ -f "$RUN_DIR/$PROGRAM.Logger.warn.$SCRIPT_PID.$TSTAMP" ]; then
-		WARN_ALERT=true
-		exitcode=2
-	fi
-	if [ -f "$RUN_DIR/$PROGRAM.Logger.error.$SCRIPT_PID.$TSTAMP" ]; then
-		ERROR_ALERT=true
-		exitcode=1
-	fi
-
-	CleanUp
-	exit $exitcode
-}
-
-
 #### OFUNCTIONS MICRO SUBSET END ####
 
 # osync/obackup/pmocr script specific mail alert function, use SendEmail function for generic mail sending
@@ -561,7 +564,7 @@ function SendEmail {
 			fi
 		done
 	else
-		Logger "No valid email adresses given." "WARN"
+		Logger "No valid email addresses given." "WARN"
 		return 1
 	fi
 
@@ -776,7 +779,7 @@ function _PerfProfiler {												#__WITH_PARANOIA_DEBUG
 
 _OFUNCTIONS_SPINNER="|/-\\"
 function Spinner {
-	if [ $_LOGGER_SILENT == true ] || [ "$_LOGGER_ERR_ONLY" == true ]; then
+	if [ $_LOGGER_SILENT == true ] || [ "$_LOGGER_ERR_ONLY" == true ] || [ "$_SYNC_ON_CHANGES" == "initiator" ] || [ "$_SYNC_ON_CHANGES" == "target" ] ; then
 		return 0
 	else
 		printf " [%c]  \b\b\b\b\b\b" "$_OFUNCTIONS_SPINNER"
@@ -905,7 +908,7 @@ function ExecTasks {
 	local currentCommand		# Variable containing currently processed command
 	local currentCommandCondition	# Variable containing currently processed conditional command
 	local commandsArrayPid=()	# Array containing commands indexed by pids
-	local commandsArrayOutput=()	# Array contining command results indexed by pids
+	local commandsArrayOutput=()	# Array containing command results indexed by pids
 	local postponedRetryCount=0	# Number of current postponed commands retries
 	local postponedItemCount=0	# Number of commands that have been postponed (keep at least one in order to check once)
 	local postponedCounter=0
@@ -2021,6 +2024,11 @@ function PreInit {
 		SSH_OPTS="$SSH_OPTS -o ControlMaster=auto -o ControlPersist=yes -o ControlPath=\"$RUN_DIR/$PROGRAM.ctrlm.%r@%h.$SCRIPT_PID.$TSTAMP\""
 	fi
 
+	## Optional SSH arguments
+	if [ "$SSH_OPTIONAL_ARGS" != "" ]; then
+		SSH_OPTS="$SSH_OPTS $SSH_OPTIONAL_ARGS"
+	fi
+
 	## Support for older config files without RSYNC_EXECUTABLE option
 	if [ "$RSYNC_EXECUTABLE" == "" ]; then
 		RSYNC_EXECUTABLE=rsync
@@ -2234,7 +2242,7 @@ function InitRemoteOSDependingSettings {
 	fi
 	if [ "$RSYNC_COMPRESS" == true ]; then
 		if [ "$LOCAL_OS" != "MacOSX" ] && [ "$REMOTE_OS" != "MacOSX" ]; then
-			RSYNC_DEFAULT_ARGS=$RSYNC_DEFAULT_ARGS" -zz --skip-compress=gz/xz/lz/lzma/lzo/rz/jpg/mp3/mp4/7z/bz2/rar/zip/sfark/s7z/ace/apk/arc/cab/dmg/jar/kgb/lzh/lha/lzx/pak/sfx"
+			RSYNC_DEFAULT_ARGS=$RSYNC_DEFAULT_ARGS" -zz --skip-compress=3fr/3g2/3gp/3gpp/7z/aac/ace/amr/apk/appx/appxbundle/arc/arj/arw/asf/avi/bz/bz2/cab/cr2/crypt[5678]/dat/dcr/deb/dmg/drc/ear/erf/flac/flv/gif/gpg/gz/iiq/jar/jp2/jpeg/jpg/h26[45]/k25/kdc/kgb/lha/lz/lzma/lzo/lzx/m4[apv]/mef/mkv/mos/mov/mp[34]/mpeg/mp[gv]/msi/nef/oga/ogg/ogv/opus/orf/pak/pef/png/qt/rar/r[0-9][0-9]/rz/rpm/rw2/rzip/s7z/sfark/sfx/sr2/srf/svgz/t[gb]z/tlz/txz/vob/wim/wma/wmv/xz/zip"
 		else
 			Logger "Disabling compression skips on synchronization on [$LOCAL_OS] due to lack of support." "NOTICE"
 		fi
@@ -2418,4 +2426,25 @@ function WildcardFileExists () {
 	fi
 }
 
+# Some MacOS versions might loose file ownsership when using mv from /tmp dir (see #175)
+# This is a "mv" function wrapper that helps out with macOS
+#### FileMove SUBSET ####
+function FileMove () {
+	local source="${1}"
+	local dest="${2}"
+
+	# If file is symlink or OS is not Mac, just make a standard mv
+	if [ -L "$source" ] || [ "$LOCAL_OS" != "MacOSX" ]; then
+		mv -f "$source" "$dest"
+		return $?
+	elif [ -w "$source" ]; then
+		[ -f "$dest" ] && rm -f "$dest"
+		cp -p "$source" "$dest" && rm -f "$source"
+		return $?
+	else
+		return -1
+	fi
+}
+#### FileMove SUBSET END ####
+
 #### OFUNCTIONS FULL SUBSET END ####