Improve Matching Functionality

[patrick-ogrady]

Motivation

Fixes #38, #39, #40.

Solution

Return a new Match struct instead of *types.Operation from MatchOperations. This new struct allows for multiple *types.Operation to be matched with a given OperationDescription.

[coveralls]

Pull Request Test Coverage Report for Build 1563

• 60 of 73 (82.19%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.1%) to 65.93%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
parser/match_operations.go	60	73	82.19%

Totals
Change from base Build 1501:	0.1%
Covered Lines:	1461
Relevant Lines:	2216

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💛 - Coveralls