fix: erase eventual temporary file in case of error exit; version bump

lib/aaa_errors.sh

@@ -72,6 +72,9 @@ trap "error ${LINENO}; backtrace; err_exit" ERR
 # Exit program in case of error unless keepgoing is set to true
 function err_exit
 {
+    if [[ -n $tmpfile ]]; then
+        rm -f $tmpfile
+    fi
     if [[ $KEEPGOING != true ]]; then
         exit 255
     fi