#53 BeanTool: Static factory methods instead of deprecated constructors should be used

[Dmitriy Kuznetsov]

148  o = new Character(value.charAt(0));   ->   o =  Character.valueOf(value.charAt(0));
182  o = new Character('\0');   ->   o = Character.valueOf('\0');
186  o = new Double(0.0);   ->    o = Double.valueOf(0.0);
190  o = new Float(0.0f);   ->    o = Float.valueOf(0.0f);
282  o = new Character(value.charAt(0));     ->    o =  Character.valueOf(value.charAt(0));