Incorporate accepted PRs

Merge pull request #16 from avila/feat_multi_selection

Allows for multiple line selections, entry to package settings + more

Minor changes for Package Control

1.0.4

format README so that it displays correctly in Package Control

Initial release w/ bug fixes

• Accepted PR #3 that fixed bug of missing os library
• Implemented clear error message when no instance of Stata is running

Initial release

Added fixes for automatic checker.