Proxy access to mmap, closes #19 and closes #17
Have tests always be 12 hours into the future of the latest dataset
don't need to assign anything to cbuf when we make it
hold a reference to the memmap
Check return values when getting buffers
Update README
Merge pull request #30 from adamgreig/buffer-proxy

Buffer and memoryview magic. Closes #17 and #19.
Add float model
Update test scripts to use new standard_model name
rename standard models to standard profiles
Add documentation bits
Merge pull request #31 from adamgreig/standard-models

Standard Models
Merge pull request #32 from adamgreig/docs

Add documentation bits