Imports of package exp

PathSynopsis
expvarPackage expvar provides a standardized interface to public variables, such as operation counters in servers.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/rcrowley/go-metricsGo port of Coda Hale's Metrics library
net/httpPackage http provides HTTP client and server implementations.
syncPackage sync provides basic synchronization primitives such as mutual exclusion locks.