(MODULES-7626) - Update README Limitations section
(MODULES-7626) - Update README Limitations section

buzzdeee/puppetlabs-postgresql,npwalker/puppetlabs-postgresql,buzzdeee/puppetlabs-postgresql,tdevelioglu/puppetlabs-postgresql,infoxchange/puppetlabs-postgresql,duritong/puppetlabs-postgresql,DavidS/puppetlabs-postgresql,puppetlabs/puppetlabs-postgresql,puppetlabs/puppetlabs-postgresql,DavidS/puppetlabs-postgresql,buzzdeee/puppetlabs-postgresql,DavidS/puppetlabs-postgresql,tdevelioglu/puppetlabs-postgresql,infoxchange/puppetlabs-postgresql,puppetlabs/puppetlabs-postgresql,tdevelioglu/puppetlabs-postgresql,npwalker/puppetlabs-postgresql,npwalker/puppetlabs-postgresql,infoxchange/puppetlabs-postgresql