Moved all JsonParser code in a sub-folder.
Generator: added empty array test
Generator: added a test of one string in an array
Generator: added a test of an array with 2 strings
Generator: added a test of a full array
Generator: added a test of a float in an array
Generator: added a test with two numbers in an array
Generator: added a test of an array with too many numbers
Generator: added a tests that adds a 'true' to an array
Added a test that adds a 'false' to an array
Added a test that adds two booleans to an array
Added a test that adds a boolean to a full array
Added a tests that adds a 'null' to an array
Replace single quotes by double quotes
Extracted class StringBuilder
JsonArray: extracted methods addItem
Extracted base class JsonObjectBase
Added a test that adds a empty nested array in an array
Added a test that adds a nested array to an array
Renamed the inner types