0.4.0  - api changes
--------------------

 - normilization api for measurement changed to 
   `split_channels` 
 - named tuple for exposure maps exposed in package as
   `ExposureInfo` 


0.3.0  - normalization api
--------------------------

 - normilization api for single channels has changed and is exposed in package
   `normalize_channel(single_channel_data_frame, normalized_time_in_ms)`
   


0.2.0  - remove custom normalization map
----------------------------------------

 - normilization of exposure time is always to the largest time available


0.1.0  - first working version
------------------------------

 - woohoo


0.0.1  - first version
----------------------

 - setting up the project