Add "check column >=0" constraint to the dump for unsigned integer columns.
Add "check column >=0" constraint to the dump for unsigned integer columns.

seeARMS/sequel,Marketcircle/sequel,gferguson-gd/sequel,freshpay/sequel,reubano/sequel,pfarrell/sequel,nicohvi/sequel,knut2/sequel,seeARMS/sequel,dennis-d/custom_sequel,chef/sequel,yazshel/sequel,beni55/sequel,nju520/sequel,dennis-d/custom_sequel,reubano/sequel,nju520/sequel,davidbegin/sequel,davidbegin/sequel,offshore-safety/sequel,beni55/sequel,t-morgan/sequel,nicohvi/sequel,freshpay/sequel,offshore-safety/sequel,knut2/sequel,yazshel/sequel,t-morgan/sequel,bigfix/sequel,offshore-safety/sequel,gferguson-gd/sequel,uhoh-itsmaciek/sequel,mpalmer/sequel,uhoh-itsmaciek/sequel,pfarrell/sequel,mpalmer/sequel