Fix: getPlayed method not returning good values
iframe support
support AMD and CommonJS
bugfix for AMD support
Merge pull request #37 from dexteryy/master

iframe support, AMD and CommonJS support
Fix a couple method chaining bugs (by jdorn)
Merge pull request #35 from urcadox/master

Fix: getPlayed method not returning good values
Some code formating
Add document options to default values
Fix setTime infinite loop on Firefox (Thanks neoteknic)