Perlbrew Release 0.53

perlbrew 0.53 is released on 2012-10-14T17:41:17+0200 with the follow changes.

• New command: info.
• requires CPAN::Perl::Releases 0.76 for 5.14.3 info.
• Skip "." in @INC to deal with a list-module issue. GH #245.
• Environment variable cleanups and minor bashrc rewrite.