Bump dependency on base
Bump version to 0.11.0.1
Added tag 0.11.0.1 for changeset 2f8fab6443bf
Correct documentation about bug seriouseness
Calculate quantiles for normal distribution in numerically
stable way

old method losed precision for small p. Expression (1-p) was at fault
correct way is to flip sign of erfc after computation

Fixes #64