~bigbes/core-go

ref: cb5aee1b6993971dea2c90a62203bebd3f768468 core-go/valid d---------
cb5aee1b — Drew DeVault 4 years ago 
valid: accept format strings
0abb9c6b — Drew DeVault 4 years ago 
valid: Fix Sprintf call
e4d7b5ff — Drew DeVault 4 years ago 
valid: new module for input validation