0.2.1
================
Changed README.md to point to Angular4 sample

0.2.0
================
Added toggle() function

0.1.9
================
Changed CHANGES.log
Changed README.md
Changed package.json ( added dependencies >=2.4.5 )

0.1.8
================
Added method descriptions to show in editors

Changes to 0.1.1
===================
Added CHANGES.log file
Added .npmignore - ignore *.ts and tsconfig.json when publishing module
Changes to documentation README.md