fixed ==
Merge branch 'master' of git://github.com/yuhu-/ebusd

Conflicts:
	src/lib/ebus/symbol.h
fix for ==
Merge branch 'master' of git://github.com/yuhu-/ebusd
introduced result_t, added RESULT_ERR_EOF
solved most TODOs, introduced reference types and chains, use result_t where possible, switched to divisor instead of factor, formatting, introduced VALUE_SEPARATOR for possible switch to real CSV (later), added value range check, small optimizations
introduced NULL_VALUE define
Merge pull request #11 from john30/master

enhanced DataField