Build missing dependencies lookup in JSON view.

[lijunle]

• Build missing dependencies lookup in JSON view.
• Update the test cases.
• Build up using dependencies internally (related to added an option to report on used dependencies #91)

[codecov-io]

Current coverage is 98.25%

Merging #93 into master will increase coverage by +0.06% as of c95c029

@@            master     #93   diff @@
======================================
  Files           15      15       
  Stmts          332     343    +11
  Branches        78      80     +2
  Methods          0       0       
======================================
+ Hit            326     337    +11
  Partial          4       4       
  Missed           2       2       

Review entire Coverage Diff as of c95c029

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