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* FIXED 303: Allow specifying same interpreter for backend as frontend uses
* FIXED 304: Allow specifying backend interpreter by relative path
* FIXED 312: Closing unsaved tab causes error
* FIXED 319: Linux install script needs quoting around the path(s)
* FIXED 320: Install gets recursive if trying to install within extracted tarball
* FIXED 321: Linux installer fails if invoked with relative, local user path
* FIXED 334: init.tcl not found (Better control over back-end environment variables)
* FIXED 343: Thonny now also works with jedi 0.11