make rofi command a function to eliminate problems with quotes options. Should fix #33 once and for all

config.example

@@ -1,11 +1,11 @@
 # permanently set alternative root dir
 # root=/path/to/root
 
-# optional rofi parameters:
-# keep in mind that 0.15.7 has different arguments compared to
-# latest git. for rofi-pass this means that "-i" will not work with
-# 0.15.7.
-rofiopts="-i -width 700 -no-levenshtein-sort"
+# rofi command. Make sure to have "$@" as last argument
+_rofi () {
+    rofi -z -i -width 700 -no-levenshtein-sort "$@"
+}
+
 
 # fields to be used
 URL_field='url'

rofi-pass

@@ -462,9 +462,9 @@ password_gen () {
     fi
 }
 
-function _rofi () {
-    rofi -dmenu -z "${rofiopts}" "$@"
-}
+#function _rofi () {
+#    rofi -dmenu -z ${rofiopts} "$@"
+#}
 
 help_msg () {
     echo "rofi-pass (Version: 1.2)"