Bump version

add filtering of issues and merge requests without times

Merge pull request kriskbx#1 from kriskbx/dev

release-1.0

added comma to time format

added overall seconds/minutes/hours/days to time format

added time format options and estimate, time_spent columns

added total estimation

added csv, labels filtering, new config and first steps towards merge…

… requests

fixed minor bug in markdown output

added preview