Made errors mostly work as hoped

engine/NBCore/src/Utils.cpp

@@ -0,0 +1,23 @@
+#include <string>
+#include "Utils.hpp"
+
+
+std::string nb::find_and_replace(const std::string& original, const std::string& find, const std::string& replace) {
+    std::string ret = original;
+
+    std::size_t find_len = find.length();
+    std::size_t replace_len = replace.length();
+    std::size_t currpos = 0;
+    std::size_t lastpos = 0;
+    while(true) {
+        lastpos = currpos;
+        currpos = original.find(find, lastpos);
+        if (currpos == std::string::npos) {
+            break;
+        }
+        ret = ret.erase(currpos, find_len);
+        ret = ret.insert(currpos, replace);
+        currpos += replace_len;
+    }
+    return ret;
+}