Taking care of the utils.R

removing all the 💩 make_xyz_options functions from the utils file
removing all the 💩 make_xyz_options functions from the R_script file
renaming it to read_data.R
add some docs for the read functions (see Georg's readme and copy from there about file formats). Do not spend too much time here, once the structure is done there will be aconstructor function that would not expose any of those to the user!

Edited Sep 28, 2017 by Jakob Wirbel

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