Quote parameters to export in __perlbrew_set_path
Quote parameters to export in __perlbrew_set_path

This fixes #156.

calid/App-perlbrew,josl/App-perlbrew,rafl/App-perlbrew,dagolden/App-perlbrew,Asuza/App-perlbrew,ptolemarch/App-perlbrew,calid/App-perlbrew,dagolden/App-perlbrew,rafl/App-perlbrew,josl/App-perlbrew,josl/App-perlbrew,Asuza/App-perlbrew,ptolemarch/App-perlbrew,ptolemarch/App-perlbrew,Asuza/App-perlbrew,rafl/App-perlbrew