Improve export logger

- Use `string_view` type instead of `LPCTSTR` for log writing
  - Addresses #258.
- Format text with indenting
- Print diagnostic messages normally not seen in release

Dn-FamiTracker.vcxproj.filters

@@ -747,6 +747,9 @@
     <ClCompile Include="Source\ConfigEmulation.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="Source\JsonExporter.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="Source\Exception.h">
@@ -1496,6 +1499,9 @@
     <ClInclude Include="Source\rigtorp\SPSCQueue.h">
       <Filter>Header Files</Filter>
     </ClInclude>
+    <ClInclude Include="Source\JsonExporter.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="Dn-FamiTracker.rc">

Source/ChunkRenderText.cpp

@@ -380,7 +380,6 @@ void CChunkRenderText::StoreFrameListChunk(CChunk *pChunk, CFile *pFile)
 	unsigned char bank = pChunk->GetBank();
 
 	// Pointers to frames
-//	str.Format("; Bank %i\n", pChunk->GetBank());
 	if (m_bBankSwitched)
 		StoreMusicBankSegment(bank, str);
 

Source/CommandLineExport.cpp

@@ -37,9 +37,9 @@ class CCommandLineLog : public CCompilerLog
 {
 public:
 	CCommandLineLog(std::string *pText) : m_pText(pText) {};
-	void WriteLog(LPCTSTR text)
+	void WriteLog(std::string_view text)
 	{
-		*m_pText += text;
+		*m_pText += std::string(text);
 	};
 	void Clear() {};
 private: