sequencer - add subdir to fallback path

Fix standard sourcing

installCompletion.sh

@@ -1,12 +1,12 @@
 #!/bin/bash
 
 # Get script working directory
-WDIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" >>/dev/null 2>&1 && pwd)"
+WDIR="$(cd "$(dirname -- "$(realpath "${BASH_SOURCE[0]}")")" >>/dev/null 2>&1 && pwd)"
 
 _sequencerCompletion() {
   local SEQCOMP_LOC="${WDIR}/sqnall-completion.bash"
   local SEQCOMP_LOADER="$HOME/.bashrc"
-  local SEQCOMP_SOURCE="source \"$SEQCOMP_LOC\""
+  local SEQCOMP_SOURCE=". \"$SEQCOMP_LOC\""
 
   grep "$SEQCOMP_SOURCE" "$SEQCOMP_LOADER" >>/dev/null 2>&1
   if [ $? -eq 0 ]; then