Added Added cellSaveDataListAutoSave and AutoLoad

Also fixed logging of container argument for all other save data
functions.
Fix overwriting, when installing PKG files

Now properly removes the directory and tries to continue installation.
Use std::string for installing PKG files

Also now only refreshes, when it could open the PKG file.
Merge pull request #773 from tambry/OverwriteFix

Fix overwriting, when installing PKG files
Merge pull request #771 from tambry/cellSaveDataListAuto

Added Added cellSaveDataListAutoSave and AutoLoad
More improvements and small additions to cellNetCtl
Merge pull request #770 from tambry/cellNetCtlImprovements

More improvements and small additions to cellNetCtl