fix(table): allow for TableSchema to be used

[callmehiphop]

Fixes #435

• Tests and linter pass
• Code coverage does not decrease (if any source code was changed)
• Appropriate docs were updated (if necessary)

[codecov]

Codecov Report

Merging #438 into master will not change coverage.
The diff coverage is n/a.

@@          Coverage Diff           @@
##           master    #438   +/-   ##
======================================
  Coverage    99.4%   99.4%           
======================================
  Files           4       4           
  Lines         672     672           
  Branches      188     188           
======================================
  Hits          668     668           
  Misses          2       2           
  Partials        2       2

Impacted Files	Coverage Δ
src/table.ts	100% <ø> (ø)	⬆️

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