exception tracking barely works; but disabled
rebuilt C sources for nimbuild
Update examples/sdlex.nim

Updated sdlex.nim to show the basics of an SDL app (event loop, input) 
nimbuild should work again
doc2 support for nimweb; fixed graphics.withEvents
bugfix: exception tracking (still disabled)
Ignores whole upload directory.
Adds backend code for the cross platform todo example.
Adds command line interface for todo example.
Merge pull request #242 from fowlmouth/patch-3

Update examples/sdlex.nim
Merge pull request #243 from gradha/pr_database_example

Pr database example
next steps for exception tracking
Merge branch 'master' of github.com:Araq/Nimrod
exception tracking should work
bugfixes for exception tracking
Many doc improvements. Changed Threads.joinThreads' param's type to varargs.
added system.onRaise to support a condition system
system.onRaise improvements
Merge branch 'master' of github.com:Araq/Nimrod
documented Nimrod's effects system