General fixups#8

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stuartskelton wants to merge 6 commits intodutchcoders:masterfrom

stuartskelton:gerneral_fixups

Commits on Jun 3, 2018

Move the CHUNK_SIZE contant to the package file that uses it.
Stuart Skelton
committed
Make the recievers variables consistent in conn.go
Stuart Skelton
committed
Removed some unreachable code
Stuart Skelton
committed
Make clamd.go a little more DRY.
Stuart Skelton
committed
Tidy up Shutdown() also added some Docs
Stuart Skelton
committed
Removed a useless TempVar from NewClamd()
Stuart Skelton
committed