tests for bool in ToString/StringTo (#1230)

- Added tests for ToString/StringTo<bool>
- Added overload for ToString of bool (previously went through int)

slsSupportLib/src/ToString.cpp

@@ -5,6 +5,13 @@
 
 namespace sls {
 
+
+std::string ToString(bool value) {
+    return value ? "1" : "0";
+}
+
+
+
 std::string ToString(const slsDetectorDefs::xy &coord) {
     std::ostringstream oss;
     oss << '[' << coord.x << ", " << coord.y << ']';