In houdini, Create a new shelf tool. Now add the following code to your new shelf tool.
from JLS.GUI.FileCacherGUI import FileCacher_ui
reload(FileCacher_ui)
FileCacher_ui.run()
Now go into the following Directorys and past the JLS Folder. Windows: C:\Users"Your_User_name"\Documents\houdini"Your_Version_Here"\scripts\python\Past_JLS_Here
Now the Tool Should run when Clicking the tool.