implement mesa adaptor subclass

Author: djmarques

circStudio/io/__init__.py

@@ -3,5 +3,6 @@
 from .awd import read_awd
 from .agd import read_agd
 from .dqt import read_dqt
+from .mesa import read_mesa
 
-__all__ = ["Raw", "read_atr", "read_awd", "read_agd", "read_dqt"]
+__all__ = ["Raw", "read_atr", "read_awd", "read_agd", "read_dqt", "read_mesa"]