1.8.1 SDK Release

Seams to work just fine. Good one.

But the search function for the 1.8.1 Python API reference seams broken.
For example searching for setHPR points to

http://www.panda3d.org/reference/1.8.1/python/classpanda3d_1_1core_1_1NodePath.php#a29c4e6dbeb0225706140f99e10f4f57e

when it should:

http://www.panda3d.org/reference/1.8.1/python/classpanda3d.core.NodePath.php#a29c4e6dbeb0225706140f99e10f4f57e

it gives “_1_1” where it should be just “.”