Add http://bneijt.nl/ to examples
Add missing stuff to extra-source-files

Closes #98
Add http://brianshourd.com/ to examples
Typo & syntax highlighting fixes in tutorial 4
Export the Tags datatype constructor
Export renderTags as well
Update screenshot on website with .||. operator
Fix little typo in tutorial 03.
Merge pull request #101 from johntyree/patch-1

Fix little typo in tutorial 03.
Read second extension to find our inner .lhs format

.md.lhs -> will be read as markdown + lhs
.tex.lhs -> will be read as latex +lhs

markdown format is default
Fix .tex.lhs patch, add some test cases
Fix unixFilterLBS example to use unixFilterLBS
Merge pull request #103 from miikka/patch-1

Fix unixFilterLBS example to use unixFilterLBS
Add a syntax highlighting example to FAQ
Merge pull request #104 from miikka/faq-syntax-highlighting

Add a syntax highlighting example to FAQ
Bail when different compilers for the same id
Add Miikka Koskinen to contributors
Use mtime instead of hashing files, much faster
Ignore files sooner, small speedup
Expand http-types dependency range