* The from_array function has been refactored, and speed is improved
* create works for non-4-byte numeric formats
* More numerical formats are accepted: 8-byte/64 bit double-precision IEEE
float, 1, 2, and 4-byte signed and unsigned integers
* segyio no longer crashes on key misses in f.gather[int, :]
* The intended TypeError is raised when traces are accessed with None, instead
of a misleading (and wrong) AttributeError
* sample-interval has gotten some new tests
* Minor behavorial improvements to C++ test-config
* Some stack-related bug fixes in the test suite
* The readme has seen some minor updates