* new method  configVarList.defined returns true if a value is defined and has none empty value. So calling with a variable name who's value consists of an empty string will return False.
    * new variable: ECHO_LOG_FILE. If defined all echos from batch file will be teeed to this file. (Mac). Defaults to $(__MAIN_OUT_FILE__).log in main.yaml
merge from master
added --group --owner to rsync commands
instl 0.9.5

   * added --group --owner to rsync commands - should preserve user/group when copying under sudo.