Added support for CrazyLogin and LoginSecurity + Code cleanup + Added a lot of comments + Version independent

src/main/java/com/github/games647/fastlogin/PlayerSession.java

@@ -0,0 +1,56 @@
+package com.github.games647.fastlogin;
+
+/**
+ * Represents a client connecting to the server.
+ *
+ * This session is invalid if the player disconnects or the login was successful
+ */
+public class PlayerSession {
+
+    private final byte[] verifyToken;
+    private final String username;
+    private boolean verified;
+
+    public PlayerSession(byte[] verifyToken, String username) {
+        this.username = username;
+        this.verifyToken = verifyToken;
+    }
+
+    /**
+     * Gets the verify token the server sent to the client.
+     *
+     * @return the verify token from the server
+     */
+    public byte[] getVerifyToken() {
+        return verifyToken;
+    }
+
+    /**
+     * Gets the username the player sent to the server
+     *
+     * @return the client sent username
+     */
+    public String getUsername() {
+        return username;
+    }
+
+    /**
+     * Sets whether the player has a premium (paid account) account
+     * and valid session
+     *
+     * @param verified whether the player has valid session
+     */
+    public synchronized void setVerified(boolean verified) {
+        this.verified = verified;
+    }
+
+    /**
+     * Get whether the player has a premium (paid account) account
+     * and valid session
+     *
+     * @return whether the player has a valid session
+     */
+    public synchronized boolean isVerified() {
+        return verified;
+    }
+}