[Fix] importCsv2: sort list of zip and save ids instead tck

Signed-off-by: Oleg Komarov <o.komarov11@imperial.ac.uk>
[Change] overnight returns #02

Signed-off-by: Oleg Komarov <o.komarov11@imperial.ac.uk>
[Fix] several minor fixes

Signed-off-by: Oleg Komarov <o.komarov11@imperial.ac.uk>
[Add] estimateBetas: add overnight calculation #01

Signed-off-by: Oleg Komarov <o.komarov11@imperial.ac.uk>