Imports of package logger

PathSynopsis
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
osPackage os provides a platform-independent interface to operating system functionality.
runtimePackage runtime contains operations that interact with Go's runtime system, such as functions to control goroutines.
sortPackage sort provides primitives for sorting slices and user-defined collections.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.
syncPackage sync provides basic synchronization primitives such as mutual exclusion locks.
timePackage time provides functionality for measuring and displaying time.
unicode/utf8Package utf8 implements functions and constants to support text encoded in UTF-8.