Compatibility for trunc(T, x) etc (Julia PR #9133)
Merge pull request #20 from JuliaLang/teh/itrunc

Compatibility for trunc(T, x) etc (Julia PR #9133)
add compatibility for randexp (Julia PR #9144)
Merge pull request #21 from JuliaLang/rf/randexp

add compatibility for randexp (Julia PR #9144)
itrunc/iceil/ifloor(Int,x::Integer) not defined in 0.3
Merge pull request #22 from simonbyrne/itrunc

itrunc/iceil/ifloor(Int,x::Integer) not defined in 0.3
Documentation of trunc, randexp
Merge pull request #23 from simonbyrne/patch-1

Documentation of trunc, randexp