fix: add support for type conversion and store values by row number

[ericfortmeyer]

Typed properties of representative objects will now be respected. DateTime objects will now be serialized as date formatted strings. The row number will be used as the lookup key for stored values. Support will likely be added in the future for primary key columns.

Closes #9, Closes #11, Closes #12, Closes #13

[coveralls]

Pull Request Test Coverage Report for Build 4400699120

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Details

• 89 of 89 (100.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 100.0%

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Totals
Change from base Build 4333085823:	0.0%
Covered Lines:	96
Relevant Lines:	96

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💛 - Coveralls