Added HTTP::Micro.

This is an extremely stripped down HTTP::Tiny, i.e. not comformant
with HTTP/1.1. Basically only GET and POST should work, and
only for explicit content-lengths; chunking is not implemented.

t/lib/HTTPMicro.t

@@ -0,0 +1,27 @@
+#!/usr/bin/perl
+
+BEGIN {
+   die "The PERCONA_TOOLKIT_BRANCH environment variable is not set.\n"
+      unless $ENV{PERCONA_TOOLKIT_BRANCH} && -d $ENV{PERCONA_TOOLKIT_BRANCH};
+   unshift @INC, "$ENV{PERCONA_TOOLKIT_BRANCH}/lib";
+};
+
+use strict;
+use warnings FATAL => 'all';
+use English qw(-no_match_vars);
+use Test::More;
+
+use HTTP::Tiny;
+use HTTPMicro;
+
+my $test_url = "http://www.google.com";
+my $tiny  = HTTP::Tiny->new(max_redirect => 0)->request('GET', $test_url);
+my $micro = HTTP::Micro->new->request('GET', $test_url);
+
+is_deeply(
+   $micro->{content},
+   $tiny->{content},
+   "HTTP::Micro behaves like HTTP::Tiny (with max_redirect) for $test_url"
+);
+
+done_testing;