Fix innaccuracies in CHANGELOG, also begin to use the Unreleased portion to illustrate new changes (Currently blank)
Fix innaccuracies in CHANGELOG, also begin to use the Unreleased portion to illustrate new changes (Currently blank)

natritmeyer/site_prism,tgaff/site_prism,tgaff/site_prism,natritmeyer/site_prism