add_metas_from_string

Description:

public bool add_metas_from_string (string str)

Deserializes the given string, and adds and sets the found fields and their values on the container.

The string should be the return of metas_to_string.

this	A MetaContainer
str	A string to deserialize and add to this

true if the fields in str was successfully deserialized and added to this.