Documentation update to better address the new 'Schema on lists' rule Moved the Ambrose Bierce citation up to the opening chapter. Fixed a few typos.
Documentation update to better address the new 'Schema on lists' rule
Moved the Ambrose Bierce citation up to the opening chapter. Fixed a few typos.

pyeve/cerberus,calve/cerberus,calve/cerberus,brettatoms/cerberus,arshsingh/cerberus,MacHu-GWU/cerberus-sanhe,pyeve/cerberus,dkellner/cerberus,funkyfuture/cerberus,nicolaiarocci/cerberus,dkellner/cerberus,nicolaiarocci/cerberus,funkyfuture/cerberus,MacHu-GWU/cerberus-sanhe