Requires: perl(:MODULE_COMPAT_5.8.8). 

This is the perl version currently installed: v5.10.1.

You are using the EPEL 5 version of the repo instead of 6, go into your /etc/yum.repos.d/epel.repo file and change:

mirrorlist=http://mirrors.fedoraproject.org/mirrorlist?repo=epel-5&arch=$basearch

to

mirrorlist=http://mirrors.fedoraproject.org/mirrorlist?repo=epel-6&arch=$basearch