begin mpfr
add to mpfr __init__, __repr__, __str__
implement basic mpfr
correct mpfr init explicit prec
install mpfr for travis
mpfr math methods
add mpfr __int__, __float__ methods
fix mpfr(str, prec, base) precision bug
mpfr python long math tests and related bugfixes
mpfr python long comparison tests and related bugfixe
add invalid type math/cmp tests
mpfr invalid init tests
add mpfr division by zero tests
remove mpfr.__ceil__, mpfr.__floor__ since they use float
mpfr.__int__ special value tests
mpfr.__int__ bigint fix
x ** mpq returning mpfr
declare mpfr_prec_t and mpfr_exp_t as long int
mpfr invalid init tests
mpfr __hash__ and randomised float tests