phonemizer fixes, now kokoro works very well

otherarch/ttscpp/src/kokoro_model.cpp

@@ -1426,6 +1426,7 @@ int kokoro_runner::generate(std::string prompt, struct tts_response * response,
     prompt = replace_any(prompt, "\n", " ");
 	kokoro_str_replace_all(prompt," - "," -- ");
 	kokoro_str_replace_all(prompt,"'s ","s ");
+	kokoro_str_replace_all(prompt,"wasn't ","wasnt ");
   	std::string phonemized_prompt = phmzr->text_to_phonemes(prompt);
 	// printf("\nRESULT: %s\n",phonemized_prompt.c_str());
 

otherarch/ttscpp/src/phonemizer.cpp

@@ -819,6 +819,7 @@ void populate_kokoro_ipa_map(std::string executable_path)
             }
         }
         myfile.close();
+		printf("\nPopulated Kokoro IPA: %d entries", kokoro_ipa_map.size());
     }
     else
     {
@@ -827,9 +828,21 @@ void populate_kokoro_ipa_map(std::string executable_path)
 }
 std::string found_word_to_ipa(std::string input)
 {
-	auto it = kokoro_ipa_map.find(input);
+	bool is_acronym = !input.empty() &&
+        std::all_of(input.begin(), input.end(), [](unsigned char c) {
+            return std::isupper(c);
+        });
+
+    if (is_acronym) {
+        return ""; // Return empty for acronyms
+    }
+
+	// Convert input to lowercase
+    std::transform(input.begin(), input.end(), input.begin(),
+                   [](unsigned char c) { return std::tolower(c); });
+    auto it = kokoro_ipa_map.find(input);
     if (it != kokoro_ipa_map.end()) {
-        return it->second; //found
+        return it->second; // found
     }
     return "";
 }