Changed test to show JsonVisitorTest::testAddsJsonHeader fail
Changed test to show XMLVisitorTest::testSerializesXml fail
Fix JSON and XML request visitors to set Content-type before body
Removed guessing of request body content type by request path. Reverts part of 863998bb.
Merge pull request #414 from checat/adds-json-header-fail

Json and XML visitors do not set correct Content-type when path has known extension
Fixed typo in request options description for auth
Merge pull request #416 from konradpodgorski/patch-1

Fixed typo in request options description for auth
ChunkedIterator for Traversable - Regression Test
ChunkedIterator for Traversable - Fixed
ChunkedIterator valid is a bool of chunk

Just some minor code cleanup. The negation of empty is just not necessary and rather clumsy.
ChunkedIterator tests for boundary cases and and below zero.
ChunkedIterator missing value check

Minor change to implement a size equal or greate zero. Also
enforce integer type to make the behavior more distinct.
FilterIterator expects Iterator not Traversable - Fixed

SPL's FilterIterator does take an Iterator in it's constructor,
not a Traversable. This minor change corrects the type-hint used.
Merge pull request #415 from hakre/patch-1

FilterIterator expects Iterator not Traversable
Merge pull request #417 from hakre/patch-2

ChunkedIterator for Traversable
3.7.3 release