Remove unused functions and add some comments

msglog.c

@@ -38,15 +38,9 @@
 #define COLOR_NORMAL ""
 #endif
 
-void hexdump (int *in_ptr, int *in_end) {
-  // TODO: figure out how to log hexdumps to purple log
-  int *ptr = in_ptr;
-  while (ptr < in_end) {
-    ++ ptr;
-    //printf (" %08x", *(ptr ++));
-  }
-  //printf ("\n");
-}
+/*
+  msglog.c: Convenience methods for logging to libpurple log
+ */
 
 void log_level_printf (const char* format, va_list ap, int level, char *color) {
   char buffer[256];

msglog.h

@@ -19,8 +19,6 @@
 */
 #include <stdarg.h>
 
-void hexdump (int *in_ptr, int *in_end);
-
 void debug(const char* format, ...);
 void info(const char* format, ...);
 void warning(const char* format, ...);

tgp-2prpl.c

@@ -26,6 +26,10 @@
 #include <msglog.h>
 #include <assert.h>
 
+/*
+   tgp-2prpl.c: Libpurple functions that can be called with tgl data types
+ */
+
 static void sanitize_alias(char *buffer) {
   size_t len = strlen(buffer);
   gchar *curr;