CBS has handed three more pilot orders to drama Limitless, a sequel to the 2011 Relativity feature starring Bradley Cooper, and comedies from veterans Dan O’Shannon and Tad Quill. All three come from sister studio CBS TV Studios. Written/executive produced by Craig Sweeny and executive produced by Cooper and Alex Kurtzman & Roberto Orci, Limitless follows Brian Sinclair, the character played in the film by Cooper, as he discovers the power of the mysterious drug NZT and…