New functions, bugs fixes, speed.

Add the goodness of the Bottleneck package.

la 0.4.0 release.

The focus of this release was binary operations between unaligned larrys with
user control of the join method (five available) and the fill method. A
general binary function, la.binaryop(), was added as were the convenience
functions add, subtract, multiply, divide. Supporting functions such as
la.align(), which aligns two larrys, were also added.

la 0.3.0 release.

The focus of the release was speed, bug fixes, and unit tests.

la 0.2.0 release.

Unit tests, HSF5 archiving, label indexing.

la 0.1.0 release.

First open source release of the la package!