v4.2

v4.2

v4.1

v4.1 changes suggested by elfring@github.com

v4.0

v4.0

v3.0

add -R, -q -L -syslog options

command interval option added

v2.0

final commit for version 2.0

Added '-C' command-line option to make lockfiles 'close on exec' so they are not inherited by child processes

v1.0

moved configure.in to configure.ac, as the latter is apparently the c…