Predict zip64 filesizes

[jszobody]

No description provided.

[jszobody]

This is a WIP. Currently we are off by 96 bytes when zeroHeader is off, and 116 bytes with zeroHeader.

There were 5 failures:

1) STS\ZipStream\Tests\SizeEstimation\BigLocalFileArchiveSizeEstimationTest::testBasic
Failed asserting that 5368709278 matches expected 5368709374.

/Users/josephszobody/dev/laravel-zipstream/tests/SizeEstimation/SizeEstimationTestCase.php:56
/Users/josephszobody/dev/laravel-zipstream/tests/SizeEstimation/EmptyArchiveSizeEstimationTest.php:9

2) STS\ZipStream\Tests\SizeEstimation\BigLocalFileArchiveSizeEstimationTest::testEstimationWithArchiveComment
Failed asserting that 5368709293 matches expected 5368709389.

/Users/josephszobody/dev/laravel-zipstream/tests/SizeEstimation/SizeEstimationTestCase.php:56
/Users/josephszobody/dev/laravel-zipstream/tests/SizeEstimation/EmptyArchiveSizeEstimationTest.php:16

3) STS\ZipStream\Tests\SizeEstimation\BigLocalFileArchiveSizeEstimationTest::testEstimationWithEnableZip64 with data set #0 (true)
Failed asserting that 5368709278 matches expected 5368709374.

/Users/josephszobody/dev/laravel-zipstream/tests/SizeEstimation/SizeEstimationTestCase.php:56
/Users/josephszobody/dev/laravel-zipstream/tests/SizeEstimation/EmptyArchiveSizeEstimationTest.php:26

4) STS\ZipStream\Tests\SizeEstimation\BigLocalFileArchiveSizeEstimationTest::testEstimationWithZeroHeader with data set #0 (true)
Failed asserting that 5368709278 matches expected 5368709374.

/Users/josephszobody/dev/laravel-zipstream/tests/SizeEstimation/SizeEstimationTestCase.php:56
/Users/josephszobody/dev/laravel-zipstream/tests/SizeEstimation/EmptyArchiveSizeEstimationTest.php:36

5) STS\ZipStream\Tests\SizeEstimation\BigLocalFileArchiveSizeEstimationTest::testEstimationWithZeroHeader with data set #1 (false)
Failed asserting that 5368709234 matches expected 5368709350.

/Users/josephszobody/dev/laravel-zipstream/tests/SizeEstimation/SizeEstimationTestCase.php:56
/Users/josephszobody/dev/laravel-zipstream/tests/SizeEstimation/EmptyArchiveSizeEstimationTest.php:36

[jszobody]

FYI the 96 bytes is consistent even when there are multiple files in the zip.

[jszobody]

This is looking good, all tests passing.