v0.12.6: Merge pull request #75 from podak/line-number-fix

Improve line number tracking

v0.12.4: Cut a new patch release

• update dependencies
• fix bug when used in a web worker

v0.12.3

Address recursive install issue for yarn users.

v0.12.2

Performance optimization

• performance improvement via use of charCodeAt
• corrected error in RunKit example script
• removal of dead code

v0.12.1

Highlights:

• example added for RunKit

v0.12.0

Highlights:

• large test data removed from NPM package
• release version back in line with NPM release
• fixed handling of empty keys