Testing the addition of a class to project

Signed-off-by: DCRichards <dcr24@sussex.ac.uk>
Created a class to read lines from the brain file
Renamed the class from Reader to BrainReader to avoid confusion

Signed-off-by: DCRichards <dcr24@sussex.ac.uk>
remove Reader class due to name change 

Signed-off-by: DCRichards <dcr24@sussex.ac.uk>