Wow, turns out problem 17 doesn't need any of this stuff

Fix compilation of problem 17, and remove useless status line change

Fix a typo in problem 17

Problem 17 (inform7): Number letter counts

Problem 16 (Pascal): Power digit sum

Conclude README experiment.

Experimental language list.

Edited the readme.

Problem 15 (COBOL): Starting in the top left corner in a 20 by 20 grid, how many routes are there to the bottom right corner?

Whoops; replaced $x with a real value in 014.xml comments.

Problem 14 (XSLT): Find the longest sequence using a starting number under one million.

Problem 13 (Lua): Find the first ten digits of the sum of one-hundred 50-digit numbers.

Problem 12 (Prolog): What is the value of the first triangle number to have over five hundred divisors?

Merge branch 'master' of git@veekun.com:project-euler

Problem 7 (MUMPS): Find the 10001st prime.