Bug reading the dat file in a Linux environment

[fabioacl]

The code to parse dat files is not working correctly in a linux environment. I think that the problem is in the following line:

nanonispy/nanonispy/read.py

Line 657 in 129f38a

header_entries = header_raw.split('\r\n')

Instead of split("\r\n") it should be splitlines()

[angelo-peronio]

This bite me in CI, and I worked around it by disabling Git automatic end-of-line conversion for the .dat spectroscopy files.
In particular, I added

data/raw/**/*.dat -text

to my .gitattributes file, to ensure that the end-of-line of the data files remains CR/LF on every operating system.