changelog fixed

bump to v0.3.8

another bump in dici version

bumping to latest dici library

Merge pull request #28 from rlgomes/fill-in-math-and-date-reducer-doc…

…umentation

fill in math and date reducer documentation

bump latest version

bumping to 0.3.3 with a few new fixes

warning about missing time field on all reads is "silly" we should only

produce this warning at the reduce level

fix the version reporting to pull from a file in the source

now compatible with python3