Now able to use "*" as origin url and or target url on post and receive functions
Using function to obtain the origin of the target
Version change
simplePostMessage() now throws error when no target_url (nor "*") is defined

simplePostMessage() now throws error when no target_url (nor "*") is defined

and

simpleReceivesMessage() accepts always call callback when source is not defined or has "*"
Deleting minified version. Minified will be back with automation
Merge pull request #3 from LeoDutra/allow-""-as-target-url-and-source-origin

Allow "" as target url and source origin