Important as it shows with formal proofs how to classify sequences into different levels of difficulty based on computability
Added paper

Change-Id: Ic2c18dd38d8589033ba659b20f12f4da2cd704bc
adding physics dir & readme for PWLSF#8 paper
Merge pull request #194 from papers-we-love/add_physics

adding PWLSF#8 paper
Merge pull request #191 from jganetsk/master

Added push/enter vs eval/apply paper
Remove St. Louis
Merge pull request #173 from arushs/master

On Computational Complexity and Algorithms
Merge remote-tracking branch 'upstream/master'