fix(clafrica): improve predications

[pythonbrad]

Now, an element in a dictionary can have many values.
A translator can return a list of predicates.

[coveralls]

Pull Request Test Coverage Report for Build 6196941264

• 37 of 37 (100.0%) changed or added relevant lines in 3 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+0.1%) to 99.434%

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Files with Coverage Reduction	New Missed Lines	%
clafrica/src/config.rs	1	98.54%

Totals
Change from base Build 6189651602:	0.1%
Covered Lines:	878
Relevant Lines:	883

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💛 - Coveralls