better messaging - better checking for pid file write / exist

Signed-off-by: Roy Storey <roy.storey@plantandfood.co.nz>
lower case -events option value

Signed-off-by: Roy Storey <roy.storey@plantandfood.co.nz>
formating only

Signed-off-by: Roy Storey <roy.storey@plantandfood.co.nz>
remove old skool filehandle identifier

Signed-off-by: Roy Storey <roy.storey@plantandfood.co.nz>
helpful control option - for dev really

Signed-off-by: Roy Storey <roy.storey@plantandfood.co.nz>