Changelog and docs for 4.1

## 4.x

### 4.1.0

*Jul 14, 2023*

* Removed implicit conversion of floats to strings.

  Since it was unreliable, it's not considered a BC break.

### 4.0.0

*Dec 14, 2022*

        "d" .

        "3:arrli1ei2ei3ei4ee" .

        "4:booli1e" .

        "5:float6:3.1415" .

        "3:inti123e" .

        "6:string9:test\0test" .

        "e"

    // [

    //   "arr" => [1,2,3,4],

    //   "bool" => 1,

    //   "float" => "3.1415",

    //   "int" => 123,

    //   "string" => "test\0test",

    // ]

Please note that floats and booleans will stay converted because Bencode has no native support for these types.

Please note that booleans will stay converted because Bencode has no native support for these types.

Lists and Dictionaries

======================

Scalars and arrays

==================

.. versionchanged:: 4.1 floats now throw an exception instead of becoming strings

.. code-block:: php

    <?php

        'arr' => [1,2,3,4],

        // integer is stored as is

        'int' => 123,

        // float will become a string

        'float' => 3.1415,

        // true will be an integer 1

        'true' => true,

        // false and null values will be skipped

    ]);

    // "d" .

    // "3:arr" . "l" . "i1e" . "i2e" . "i3e" . "i4e" . "e" .

    // "5:float" . "6:3.1415" .

    // "3:int" . "i123e" .

    // "6:string" . "9:test\0test" .

    // "4:true" . "i1e" .