chg: some optimizations to computation of logarithmic derivatives
chg: use dense modular multiplication
chg: reminder for myself
chg: speed up modular multiplication
chg: added new function to compute bounds wrt different main var
chg: compute minBound wrt different main variable
chg: more timing info
chg: shift evaluation point during factor reconstruction
chg: added more timing info to bivariate factorization
chg: fix compiler warnings
fix: bug in hensel lifting part1
fix: bug in hensel lifting part2
chg: added new test polynomial
chg: added new test
chg: updated test results and stats
chg: threshold for using FLINT factorization over Z/p
Merge pull request #308 from mmklee/factory_opt

Factory opt