Check behaviour with relative imports

[bitsgalore]

Made changes here to make imports work with py 3:

https://github.com/KBNLresearch/isolyzer/commit/daec4147fc0d31a2283d0433c3411995e9e48dd6

TODO:

• Test if this works with distributed (PyPi) package
• Tests if this works when isolyzer is called from another script or package (e.g. iromlab)

[bitsgalore]

After restructuring this should always workhttps://github.com/KBNLresearch/isolyzer/commit/6d2e56d4323733224e79fa784e2821ddbdb51942