Major update:

- General bug fixes
- Implement search for multi-character marker search in BufferCore
  Replaced FindChar() method with FindStr() method
- Implemented LocalIO and LinkedIO in FunctionCore
- Connect LocalIO with FD in SelectableCore
- Implement Write buffer with Write Select in SelectableCore
- Improve validation checks in SelectableCore
- Use Handle ptr instead of Handle Names for Config methods

BufferCore.h

@@ -52,7 +52,7 @@ public:
 
     // Character Operations
     char PeekChar( int Pos = 0, bool ClearChar = false );
-    bool FindChar( char SearchChar, int &FoundPos, int StartPos = 0 );
+    bool FindStr( const char * SearchStr, int SearchLen, int &FoundPos, int StartPos = 0 );
 
     // Miscellaneous
     inline int Size()        { return BufSize; };