Imports of ch-gen-col command

PathSynopsis
bytesPackage bytes implements functions for the manipulation of byte slices.
embedPackage embed provides access to files embedded in the running Go program.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/go-faster/errorsPackage errors implements functions to manipulate errors.
go/formatPackage format implements standard formatting of Go source.
osPackage os provides a platform-independent interface to operating system functionality.
strconvPackage strconv implements conversions to and from string representations of basic data types.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.
text/templatePackage template implements data-driven templates for generating textual output.