Lots of documentation.

tests/StringViewTests.cpp

@@ -46,7 +46,7 @@ TEST_CASE("Literal stringview to non literal, then use", "[Utilities]") {
     REQUIRE(strcmp(val.c_str(), "foobar") == 0);
 }
 
-TEST_CASE("Pipe stringview into strean", "[Utilities]") {
+TEST_CASE("Pipe stringview into stream", "[Utilities]") {
     std::stringstream ss;
     ArbUt::StringView val = "foo";
     ss << val;