YAML and JSON parsing#53

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zak956 wants to merge 3 commits intoigorw:masterfrom

Commits on May 13, 2016

fix parsing YAML file (YAML::parse() accepts YAML content, not filename)
zak956
committed
fix JSON parsing (json_decode throws error on empty json file, added return empty array for empty json)
zak956
committed
fixed empty array
zak956
committed