Merge pull request plotly#410 from plotly/fix_issue_related_to_bar_fu…

…nctionality

fix issue related to bar functionality

Merge pull request plotly#373 from plotly/fix_issues_and_awesome_impr…

…ove_the_bar3_functionality

Fix issues and awesome improve the bar3 functionality

Merge pull request plotly#356 from plotly/fix_histogram2_issues_used_…

…in_ssim_baselines_matlab_code-examples_data-distribution-plots_histogram2

Fix histogram2 issues used in ssim baselines matlab code examples data distribution plots histogram2

Merge pull request plotly#338 from plotly/issue254

Issue254

Updated README

increment version

incremented version

Some bug fixes

arguments to fig2plotly improved

error bars in!