R4R Update for client generalization

[rigelrozanski]

REF cosmos/cosmos-sdk#4451

• Targeted PR against correct branch (see CONTRIBUTING.md)

• Linked to github-issue with discussion and accepted design OR link to spec that describes this work.

• Wrote tests

• Updated relevant documentation (docs/)

• Added a relevant changelog entry: clog add [section] [stanza] [message]

• Reviewed Files changed in the github PR explorer

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For Admin Use:

• Added appropriate labels to PR (ex. wip, ready-for-review, docs)
• Reviewers Assigned
• Squashed all commits, uses message "Merge PR #XYZ: [title]" (coding standards)

[codecov-io]

Codecov Report

Merging #31 into master will not change coverage.
The diff coverage is 60%.

@@           Coverage Diff           @@
##           master      #31   +/-   ##
=======================================
  Coverage   56.34%   56.34%           
=======================================
  Files           4        4           
  Lines         197      197           
=======================================
  Hits          111      111           
  Misses         83       83           
  Partials        3        3