1.0.0-beta.5 Superset of JSON5 and template literals

• Jora became a superset of JSON5 (see #23)
• Added support for template literals
• Added support for multi-line comments
• Added support for hexadecimal numbers
• Added support for hexadecimal escape sequence in strings, i.e. 'hello\x20world'
• Added support for multiple lines in strings by escaping new line characters
• Added Infinity and NaN literals
• Fixed string literal parsing to be ECMA-262 compliant
• Changed parsing to recognize line terminators according to ECMA-262 (added \r\n, \u2028 and \u2029)
• Allowed a single trailing comma in object and array literals
• Allowed unicode escape sequence in identifier name
• Allowed object literal property names starting with $ when a value is defined