Added basic information to README.md

Added usage and context information in README.md
Merge pull request #6 from fraoch/master

Added basic information to README.md
only listen for changes when the tab is active and debounce the update so it doesn't have too big of an impact on typing perf

Signed-off-by: Chris Granger <ibdknox@gmail.com>
Merge pull request #7 from ibdknox/master

only listen for changes when the tab is active and debounce the update s...
Bumps version
Merge branch 'master' into release
Adds compiled artifacts for 0.0.4