linebreaks in panic messages.

NULL test in the middle of things.

in all VCL_methods.

Apologies for the previous breakage.

This reverts commit 890a45ae since it broke
master.

Make the test case pass again on i386. (el5, el6, osx)

This started to fail on September 15th, assumed after the changes
to the Obj* API.

Thanks to fgs for noticing.

Closes	#1594

Initial patch by Meng Zhnag - jammy.linux@gmail.com

Fixes #1546

struct worker for "usual stuff" like vsl, stats etc.

function arguments.

single time, and it is inconsistent with how we do it elsewhere.

begining with the ObjIter set.  Have them consistently take objcore
as first argument and replace "struct objiter*" into a void* cookie
of the stevedores choice.

interface to stevedores.

Fixes: #1591

Fixes: #1592

Require that buffer arguments have greater than zero length to allow
for zero termination.

Make sure that NULL buffers are not touched.