Init commit with many years of arduino sketches and projects. I dont know if the esp8266 includes much, but there are also libraries. I hope they dont have crazy automatic versioning through the Arduino IDE.

Projects/libraries/Installed_libs/Twitter/Twitter.cpp

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+/*
+  Twitter.cpp - Arduino library to Post messages to Twitter using OAuth.
+  Copyright (c) NeoCat 2010-2011. All right reserved.
+  
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
+ */
+
+// ver1.2 - Use <string.h>
+// ver1.3 - Support IDE 1.0
+
+#include <string.h>
+#include "Twitter.h"
+
+#define LIB_DOMAIN "arduino-tweet.appspot.com"
+
+#if defined(ARDUINO) && ARDUINO < 100
+static uint8_t server[] = {0,0,0,0}; // IP address of LIB_DOMAIN
+Twitter::Twitter(const char *token) : client(server, 80), token(token)
+{
+}
+#else
+Twitter::Twitter(const char *token) : token(token)
+{
+}
+#endif
+
+bool Twitter::post(const char *msg)
+{
+#if defined(ARDUINO) && ARDUINO < 100
+	DNSError err = EthernetDNS.resolveHostName(LIB_DOMAIN, server);
+	if (err != DNSSuccess) {
+		return false;
+	}
+#endif
+	parseStatus = 0;
+	statusCode = 0;
+#if defined(ARDUINO) && ARDUINO < 100
+	if (client.connect()) {
+#else
+	if (client.connect(LIB_DOMAIN, 80)) {
+#endif
+		client.println("POST http://" LIB_DOMAIN "/update HTTP/1.0");
+		client.print("Content-Length: ");
+		client.println(strlen(msg)+strlen(token)+14);
+		client.println();
+		client.print("token=");
+		client.print(token);
+		client.print("&status=");
+		client.println(msg);
+	} else {
+		return false;
+	}
+	return true;
+}
+
+bool Twitter::checkStatus(Print *debug)
+{
+	if (!client.connected()) {
+		if (debug)
+			while(client.available())
+				debug->print((char)client.read());
+		client.flush();
+		client.stop();
+		return false;
+	}
+	if (!client.available())
+		return true;
+	char c = client.read();
+	if (debug)
+		debug->print(c);
+	switch(parseStatus) {
+	case 0:
+		if (c == ' ') parseStatus++; break;  // skip "HTTP/1.1 "
+	case 1:
+		if (c >= '0' && c <= '9') {
+			statusCode *= 10;
+			statusCode += c - '0';
+		} else {
+			parseStatus++;
+		}
+	}
+	return true;
+}
+
+int Twitter::wait(Print *debug)
+{
+	while (checkStatus(debug));
+	return statusCode;
+}

Projects/libraries/Installed_libs/Twitter/Twitter.h

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+/*
+  Twitter.cpp - Arduino library to Post messages to Twitter using OAuth.
+  Copyright (c) NeoCat 2010-2011. All right reserved.
+  
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
+ */
+
+// ver1.2 - Use <Udp.h> to support IDE 0019 or later
+// ver1.3 - Support IDE 1.0
+
+#ifndef TWITTER_H
+#define TWITTER_H
+
+#include <inttypes.h>
+#include <avr/pgmspace.h>
+#if defined(ARDUINO) && ARDUINO > 18   // Arduino 0019 or later
+#include <SPI.h>
+#endif
+#include <Ethernet.h>
+#if defined(ARDUINO) && ARDUINO < 100  // earlier than Arduino 1.0
+#include <EthernetDNS.h>
+#endif
+
+class Twitter
+{
+private:
+	uint8_t parseStatus;
+	int statusCode;
+	const char *token;
+#if defined(ARDUINO) && ARDUINO < 100
+	Client client;
+#else
+	EthernetClient client;
+#endif
+public:
+	Twitter(const char *user_and_passwd);
+	
+	bool post(const char *msg);
+	bool checkStatus(Print *debug = NULL);
+	int  wait(Print *debug = NULL);
+	int  status(void) { return statusCode; }
+};
+
+#endif	//TWITTER_H

Projects/libraries/Installed_libs/Twitter/examples/SimplePost/SimplePost.pde

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+#include <SPI.h> // needed in Arduino 0019 or later
+#include <Ethernet.h>
+#include <Twitter.h>
+
+// The includion of EthernetDNS is not needed in Arduino IDE 1.0 or later.
+// Please uncomment below in Arduino IDE 0022 or earlier.
+//#include <EthernetDNS.h>
+
+
+// Ethernet Shield Settings
+byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
+
+// If you don't specify the IP address, DHCP is used(only in Arduino 1.0 or later).
+byte ip[] = { 192, 168, 2, 250 };
+
+// Your Token to Tweet (get it from http://arduino-tweet.appspot.com/)
+Twitter twitter("YOUR-TOKEN-HERE");
+
+// Message to post
+char msg[] = "Hello, World! I'm Arduino!";
+
+void setup()
+{
+  delay(1000);
+  Ethernet.begin(mac, ip);
+  // or you can use DHCP for autoomatic IP address configuration.
+  // Ethernet.begin(mac);
+  Serial.begin(9600);
+  
+  Serial.println("connecting ...");
+  if (twitter.post(msg)) {
+    // Specify &Serial to output received response to Serial.
+    // If no output is required, you can just omit the argument, e.g.
+    // int status = twitter.wait();
+    int status = twitter.wait(&Serial);
+    if (status == 200) {
+      Serial.println("OK.");
+    } else {
+      Serial.print("failed : code ");
+      Serial.println(status);
+    }
+  } else {
+    Serial.println("connection failed.");
+  }
+}
+
+void loop()
+{
+}

Projects/libraries/Installed_libs/Twitter/examples/Twitter_Serial_GW/Twitter_Serial_GW.ino

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+#include <SPI.h> // needed in Arduino 0019 or later
+#include <Ethernet.h>
+#include <Twitter.h>
+
+// The includion of EthernetDNS is not needed in Arduino IDE 1.0 or later.
+// Please uncomment below in Arduino IDE 0022 or earlier.
+//#include <EthernetDNS.h>
+
+
+// Sample : Serial port => Twitter gateway
+//   Run this program on Arduino and connect via some Serial port terminal software.
+//   Type a message and hit enter key, and it will be posted to Twitter.
+//   Arduino IDE Serial Monitor is not usable because it doesn't seem able to send Enter key code.
+
+// Ethernet Shield Settings
+byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
+
+// If you don't specify the IP address, DHCP is used(only in Arduino 1.0 or later).
+byte ip[] = { 192, 168, 2, 250 };
+
+// Your Token to Tweet (get it from http://arduino-tweet.appspot.com/)
+Twitter twitter("2307428619-jTdwfFJ4r9aYuaYHQ2YeqBWQNOy6nSg6aTRequb");
+
+
+char msg[141] = "Test01";
+int len = 0;
+
+void setup()
+{
+  delay(1000);
+  Ethernet.begin(mac, ip);
+  // or you can use DHCP for autoomatic IP address configuration.
+  // Ethernet.begin(mac);
+
+  Serial.begin(9600);
+  Serial.print("> ");
+}
+
+void loop()
+{
+  if (Serial.available() > 0) {
+    char recv = msg[len++] = Serial.read();
+    if (recv == '\b' || recv == 127) { // Backspace
+      if (len > 1) {
+        len -= 2;
+        Serial.print("\b \b");
+      }
+    }
+    else if (recv == '\r' || recv == '\n') { // send CR/LF to post
+      Serial.print("\r\n");
+      len--;
+      msg[len] = 0;
+      if (len > 0)
+        post();
+      len = 0;
+      Serial.print("\r\n> ");
+    }
+    else if (len > 140)
+      len = 140;
+    else
+      Serial.print(recv);
+  }
+}
+
+void post()
+{
+  Serial.println("connecting ...");
+  if (twitter.post(msg)) {
+    int status = twitter.wait();
+    if (status == 200) {
+      Serial.println("OK.");
+    } else {
+      Serial.print("failed : code ");
+      Serial.println(status);
+    }
+  } else {
+    Serial.println("connection failed.");
+  }
+  delay(1000);
+}

Projects/libraries/Installed_libs/Twitter/keywords.txt

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+#######################################
+# Syntax Coloring Map For Twitter
+#######################################
+
+#######################################
+# Datatypes (KEYWORD1)
+#######################################
+
+Twitter	KEYWORD1
+
+#######################################
+# Methods and Functions (KEYWORD2)
+#######################################
+
+post	KEYWORD2
+getStatus	KEYWORD2
+checkStatus	KEYWORD2
+wait	KEYWORD2
+
+#######################################
+# Constants (LITERAL1)
+#######################################