json5

• Replaced pedantic package with lints package, fixed some analysis issues (#16)

• Updated package description, fixed analysis issues (#15)

• feat: values without decimal point or exponent should be int type

• feat: toEncodable parameter
• feat: toDecodable is default to toMap() then toJson() then toString()

    json5Encode(obj, toEncodable: (v) => v.toMap())

• feat: serialize iterable objects
• fix: JSON.stringify return non-null String
• fix: indentication can be number and string

• Migrating to null safety

• hotfix: dart not support '\0' escape

• Fix: RangeError when stringify a string with ending '\0'

• fix: json5Decode() should return Map<String, dynamic> instead of Map<dynamic, dynamic>

• support runtime-js, flutter web

• fix: cannot stringify object if their keys are not string .

• supports Map, List, null, num, bool, String
• JSON5.parse( aString );
• JSON5.stringify( anObj )
• JSON5.stringify( abObj, space:2 )
• json5Decode( aString );
• json5Encode( anObj )
• json5Encode( abObj, space:2 )