Based on DotMap, this also allows dot notation in the __getitem__ magic
method, making it easier to call on nested objects without using either loops or directly calling __getattr__.
You can also supply your own separator, with the init kwarg
_separator='_', this applies only to the getitems.
In [3]: s = betterdotmap.BetterDotMap({"lol": {"heisann": [1,2,3,4,"rrr"]}})
In [4]: s
Out[4]: BetterDotMap(lol=BetterDotMap(heisann=[1, 2, 3, 4, 'rrr']))
In [5]: s.lol
Out[5]: BetterDotMap(heisann=[1, 2, 3, 4, 'rrr'])
In [6]: s['lol.heisann']
Out[6]: [1, 2, 3, 4, 'rrr']
In [7]: s.lol.heisann
Out[7]: [1, 2, 3, 4, 'rrr']```