v1.0.0-BETA4

Merge pull request #1 from NicolasGraph/dev

v1.0.0-BETA4

1.0.0-BETA3

• changed: does not return any player if there is nothing to play (triggers an error);
• Added: triggers an error if an attribute value is not valid (for defined valid values only);
• changed: code rework:
  • uses an author prefix related namespace;
  • declares providers related dedicated tags;
  • instances created/get via Txp::get();
  • allows $dims/$prefs to accept a string as default value.

1.0.0-BETA2

• Makes players HTML5 valid.

1.0.0-BETA1

• Changed: now works as an extension base for oui_player;
• Added: manage responsive embedding.