BufferInsert - Insert content into a buffer at a target string.

CheckCmd - Checks if an executable is available and if not, returns false.

DownloadFile - download a url to a local file.

OpenSite - Split for multi platform.

RandomString ...

SliceEqual tells whether a and b contain the same elements in any order.

SliceIncludes tells whether val occurs one time in slice.

SliceEqual tells whether b contains at least the same elements of a in any order.