Fixed a bug in cache code for getting a single element
Tweak the injected record properties slightly
Update to reflect dynd rename of nd.dtype to ndt.type
Updates to reflect cleaning up of dtype/type usage in dynd
Remove the aterm sublibrary
Remove blir/cgen
Updates to the blaze-web server for dynd changes
Remove some unused files

NOTE: These may be worth revisiting in the future, by reviewing
      the git history, but right now culling dead code is much
      more important to speed up development.
Remove some more unused code
Reverse the logic of py3help into py2help
Simplify/remove code from coretypes.py
add a basic mailmap file
The default value of a datetime cannot be serialized with JSON.  Use a 0 int instead.
Fixed a nasty bug with strings being larger than BLOSC_MAX_TYPESIZE

This was a fundamental flaw in BLZ/Blosc.  In theory, the itemsize in Blosc
would only be used for determining the amount of bytes to be shuffled, but
in practice this is used in getting a number of 'items' in the
`blosc_getitem` call.  So that means that itemsizes cannot be larger than
BLOSC_MAX_TYPESIZE (currently 255).

The main problem with this were strings, because NumPy reports them as
having a typesize equivalent to its size, and that means that the
BLOSC_MAX_TYPESIZE value can easily be reached.  Now, the string
case is specially treated and the itemsize is 1 for byte strings
and 4 for Unicode ones.  This also allows for better behaviour of
the shuffle filter.

In the future, DyND would provide more flexibility for dealing with
the actual itemsizes, but meanwhile this workaround is the way to go.
Added a new append_row() method as a fast path for a single row
Added the support for snappy and lz4 in blosc
Added support for selecting the compression lib in bparams
complib renamed to clib to be consistent with clevel
Comment out dynd temporarily
Added the blocksize as a parameter to bparams