Renamed doc folder

.gitignore

@@ -20,7 +20,9 @@
 
 # Extras
 extras/docs/*
+extras/Module Datasheets/*
 
+# PlatformIO/Atom/VSCode
 .pioenvs
 .piolibdeps
 .clang_complete
@@ -28,3 +30,6 @@ extras/docs/*
 platformio.ini
 lib/readme.txt
 \.vscode/
+.vscode/.browse.c_cpp.db*
+.vscode/c_cpp_properties.json
+.vscode/launch.json

src/TinyGsmClientXBee.h

@@ -578,6 +578,8 @@ public:
   bool networkDisconnect() {
     if (!commandMode()) return false;  // return immediately
     sendAT(GF("NR0"));  // Do a network reset in order to disconnect
+    // NOTE:  On wifi modules, using a network reset will not
+    // allow the same ssid to re-join without rebooting the module.
     int res = (1 == waitResponse(5000));
     writeChanges();
     exitCommand();