I added a convenience wrapper element_pp_pow_zn(), and cleaned up a few source files.
Stefan Weber fixed a bug in Yulian Kalev’s random number generator code for Windows.
Yulian Kalev contributed a random number generator for Windows, using the Microsoft Crypto API.
A minor bugfix, and an API change for curve finding functions.
Pairings now handle identity elements, a feature requested by Aniket Kate. In the past, my attitude was that the caller should check first, because in practical applications there’s never a need to feed an identity element into the pairing. But the cost of handling this special case is negligible, so I’ve changed my mind.