Use wget if curl is not available
Use wget if curl is not available

Fix a syntax error in the PERLBREW_ROOT test

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