Make concurrency checking optional during get_document()
Item _internal functions
Kevin Funk
Merge branch 'internal-methods' of github.com:k-funk/eve into k-funk-internal-methods
update docstrings for put and deleteitem
Merge branch 'internal-methods' of github.com:k-funk/eve into k-funk-internal-methods
add some _internal unit tests + payload in headers of put/patch
Merge branch 'internal-methods' of github.com:k-funk/eve into k-funk-internal-methods
post_internal, patch_internal, delete_internal
Merge branch 'k-funk-internal-methods' into develop

Conflicts:
	CHANGES