v0.5.0

Added get_attributes function in Media #12

v0.4.0

• adds Group attribute (#11)
• fixes tests and missing aliases (#10)

v0.3.0

• changes in serialization implementation (#8)
• adjustments for usage in WebRTC (#9)

v0.2.0

• add serialization (#2)
• rename package to ex_sdp (#6)
• fix bug with newline (#5)