Imports of package chcol

PathSynopsis
database/sql/driverPackage driver defines interfaces to be implemented by database drivers as used by package sql.
encoding/jsonPackage json implements encoding and decoding of JSON as defined in RFC 7159.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
slicesPackage slices defines various functions useful with slices of any type.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.