Revert "[CS] Reduce duplication in Stream parser allocation"

This reverts commit a0655365602a91c790b64745d3bfb1ba009a1586.

Conflicts:
	lib/blather/stream/client.rb
	lib/blather/stream/component.rb
[UPDATE] Bump to 0.8.3
Merge branch 'release/0.8.3' into develop