Add solution for problem #13

Although #13 is trivial in python my solution is not optimal either :(
PEP8 clean up of problem #11

Ran pep8 on the file, never seen some many issues with a file. Fixed all
the warning pep8 emitted :)
Add solution to problem #14

Problem #14 gives us a beatiful sequence which creates random noise and
may terminate for all integers at 1. The code in the generator defines
this condition in the while loop but none the less still presents a
beatiful sequence. Thank you project euler for giving me this problem!
PEP8 clean up of problem #11 part duex...

Missed the white space in the end, damn it...
PEP8 clean up of problem #7

- Fixed 7_10001st_prime.py:63:80: E501 line too long (80 > 79
  characters)