It began so simply: A man named Gene Roddenberry wanted to make a TV show set in the future, featuring characters who would represent the best of humanity, boldly going where no one has gone before. Now, Star Trek has become one of pop culture's most enduring touchstones, constantly evolving with the times, such as with the newest entry, CBS All Access's Star Trek: Picard. It is not an easy thing to put together a coherent timeline for a franchise that consists of over 50 years of films and TV (nine series and 13 films, to be exact). …