Removed array size bounds, refactoring, and more tests added

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JSON LIBRARY UPDATES
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+List of changes:

	1) jsongen.erl:
		+Removed array size bounds. It can be as big as you want (be aware that this could affect performance. Do it at your own risk)
		+Refactoring and some cleaning up

	2) jsonschema.erl: Minor changes

	3) Added more examples to 'tests' folder