Merge pull request #51 from BigThinkcode/release_stacked_bar

doc update

Merge pull request #49 from BigThinkcode/multidatabar

Multidatabar

Merge pull request #46 from BigThinkcode/colorscheme

Color Scheme

Merge pull request #43 from BigThinkcode/add_concurrency

Execute concurrently

Merge pull request #42 from BigThinkcode/new_version4.5

Version 0.4.5

new

Merge pull request #33 from BigThinkcode/version_update

vupdate

Merge pull request #30 from BigThinkcode/doc_correct

Doc correct

Merge pull request #26 from BigThinkcode/hexdocs

Hexdocs