issue#95&#108

[saicheck2233]

Issue#95 & Issue#108: Validation passed even though required field is empty

Description: Field is required and it is empty but then validation still shows succeeded for the JSON schema below

{
	"title": "Person",
	"type": "object",
	"properties": {
		"firstName": {
			"type": "string"
		},
		"lastName": {
			"type": "string"
		},
		"age": {
			"description": "Age in years",
			"type": "integer",
			"minimum": 0
		}
	},
	"required": [
		"firstName",
		"lastName"
	]
}

Pic before changes:

The validation passed eventhough the field firstName and lastName are required

Pic after changes:

The validation did not pass as the field firstName and lastName are required and cannot be empty