Added section on profiling and timing and made a few minor corrections.
Added ZZ constructors to docs and made a few corrections to ZZ module.
Added basic manipulations of ZZ to docs.
Added many more operators and functions.
Added division with remainder functions, and tidied up ZZ module a bit.
Added root functions and more cleanup.
Bit twiddling docs.
Added more documentation for alternative bases.
Added string I/O docs.
Correct error in prev/nextpow2 docs.
Document modular arithmetic.
Added docs for number theoretic/combinatorial functions.
Added description of the Poly type and constructors.
Lots more polynomial operations and a couple more fixes.
More poly function documentation and domainerrors.
More poly docs.
Finally all poly docs done.
Changed some DomainErrors around.
Properly handle negative x in risingfac(Int, Int).
Fix typo in ppa URL (thanks Alex Best for spotting this).