Added a basic .hgignore file.

diff --git a/.hgignore b/.hgignore
new file mode 100755 (executable)
index 0000000..d8aed38
--- /dev/null
+++ b/.hgignore
@@ -0,0 +1,4 @@
+syntax:regexp
+^build/
+^doc/build/output
+.pyc$