[bugfix][wip] Fixed issue with Debian's bash-completion

bash_it.sh

@@ -43,9 +43,17 @@ _load_global_bash_it_files
 # Load enabled aliases, completion, plugins
 for file_type in "aliases" "plugins" "completion"
 do
-  _load_bash_it_files $file_type
+  _bash_it_list_bash_it_files_return=()
+  _list_bash_it_files $file_type
+
+  for config_file in "${_bash_it_list_bash_it_files_return[@]}" ; do
+    . "$config_file"
+  done
 done
 
+unset _bash_it_list_bash_it_files_return
+unset _bash_it_config_file
+
 # Load theme, if a theme was set
 if [[ ! -z "${BASH_IT_THEME}" ]]; then
   # Load colors and helpers first so they can be used in base theme