Refactor string split functions (#110)

Add unit test for ErrWrap/ErrWrapL (#99)

Update README.md for `Splice()` (#94)

Add ExecDelay func (#90)

Upgrade version of rflutil to latest (#84)

Update README.md (#81)

Add func ExecDurationN in time (#68)

Add func ExecTaskFunc() and ExecTaskFuncEx() (#58)

Refactor: Support slice derived-types for input (#47)

Refactor: move RandString functions to rand.go (#44)