fix: output of named installations
fix: output of named installations

When installing more than one package via a named installation.
E.g. `pnpm i foo bar`, the output should log the status of each
package installation.

Ref https://github.com/pnpm/pnpm/issues/108

pnpm/pnpm,rstacruz/pnpm,rstacruz/pnpm,rstacruz/pnpm,pnpm/pnpm,pnpm/pnpm