LiSE release 0.14.0
- Seek bar for time travel in ELiDE, and some other minor UI improvements
 - Vastly improved performance in ELiDE for large worlds
 History queries no longer require the whole of history to be loaded, and are faster
- SQLAlchemy is now a hard dependency
 - numpy is required again
 
Save the state of the randomizer every time you use it, not just on time travel
- Rule stepper now works when you reopen the sim
 - New example sim, wolfsheep.py
 enforce_end_of_timeoption, so it's not so trivial to make voids of time by accident- Lots of crash fixes
 - yapf formatting, with tabs
 - Improved documentation
 
