Dask methods overridden

[saimani5]

• Most of the dask methods are overridden.
• Eliminated the use of name keyword in the dataset class and replaced it with 'title'.
• Modified tests so that now they work with the updated definition of 'name' and 'title'.
• Fixed minor bugs:
  • Now one cannot set a dimension that has an index greater than the size of the dataset object.
  • A dask array can be passed to from_array method and it creates a dataset object without loading the whole thing into the memory.
• @ssomnath @ramav87 @gduscher if one of you guys could take a look at the dataset.py, that would be great!

[codecov-commenter]

Codecov Report

Merging #132 (f7c2003) into master (ce7b149) will decrease coverage by 0.68%. The diff coverage is 63.13%.

@@            Coverage Diff             @@
##           master     #132      +/-   ##
==========================================
- Coverage   76.47%   75.78%   -0.69%     
==========================================
  Files          44       44              
  Lines        7561     7727     +166     
==========================================
+ Hits         5782     5856      +74     
- Misses       1779     1871      +92     

Flag	Coverage Δ
unittests	75.78% <63.13%> (-0.69%)	:arrow_down:

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Impacted Files	Coverage Δ
sidpy/sid/dataset.py	66.53% <62.17%> (-6.11%)	:arrow_down:
tests/sid/test_dataset.py	98.83% <100.00%> (+<0.01%)	:arrow_up:

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