README adapted.
Commands::getEbusCommand reworked.
cosmetic.
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