changed version  to 0.5.7 (RC1)
changed version  to 0.5.7 (RC1)

changed version  to 0.5.7 (RC1)

aclerc/PCWG,etraiger/PCWG,lcameron05/PCWG,MVAppleby/PCWG,GregMJP/PCWG,peterdougstuart/PCWG,coillarach/PCWG,clembou/PCWG