Added clientId in query params for Hub API requests

[sackh]

Signed-off-by: Kharude, Sachin sachin.kharude@here.com

• Added clientId in query params as suggested by DataHub developers this helps in identifying requests sent from xyzspaces library.
• Minor variable name changes as per pep8 guidelines.
• Improved clean up for activity log test.

[codecov-commenter]

Codecov Report

Merging #36 into master will increase coverage by 0.03%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master      #36      +/-   ##
==========================================
+ Coverage   98.33%   98.37%   +0.03%     
==========================================
  Files          10       10              
  Lines         662      678      +16     
==========================================
+ Hits          651      667      +16     
  Misses         11       11              

Impacted Files	Coverage Δ
xyzspaces/spaces.py	98.87% <ø> (ø)
xyzspaces/apis.py	99.34% <100.00%> (+0.03%)	:arrow_up:

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[lgtm-com[bot]]

This pull request introduces 3 alerts when merging 0c806ab76e5f46ca07a7b34681cbde25ade99291 into 7f9fc9edecef73b517942467dc8a04bf11710cbf - view on LGTM.com

new alerts:

• 3 for Modification of parameter with default