diff --git a/VersionControl/SVN/Command.php b/VersionControl/SVN/Command.php
index 4e0d906..2c74ee0 100755
--- a/VersionControl/SVN/Command.php
+++ b/VersionControl/SVN/Command.php
@@ -92,17 +92,10 @@ abstract class VersionControl_SVN_Command
      * @var string $binaryPath
      */
     public $binaryPath = '/usr/local/bin/svn';
-    
-    /**
-     * Legacy / compatibility location of the svn client binary
-     *
-     * @var string $svn_path
-     */
-    public $svn_path = '';
 
     /**
-     * String to prepend to command string. Helpful for setting exec() 
-     * environment variables, such as: 
+     * String to prepend to command string. Helpful for setting exec()
+     * environment variables, such as:
      *    export LANG=en_US.utf8 &&
      * ... to support non-ASCII file and directory names.
      * 
@@ -118,16 +111,7 @@ abstract class VersionControl_SVN_Command
     public $switches = array();
 
     /**
-     * Switches required by this subcommand.
-     * See {@link http://svnbook.red-bean.com/svnbook/ Version Control with Subversion},
-     * Subversion Complete Reference for details on arguments for this subcommand.
-     *
-     * @var array $requiredSwitches
-     */
-    public $requiredSwitches = array();
-
-    /**
-     * Runtime options being used. 
+     * Runtime options being used.
      *
      * @var array $options
      */
@@ -142,16 +126,7 @@ abstract class VersionControl_SVN_Command
     public $args = array();
 
     /**
-     * Minimum number of args required by this subcommand.
-     * See {@link http://svnbook.red-bean.com/svnbook/ Version Control with Subversion},
-     * Subversion Complete Reference for details on arguments for this subcommand.
-     *
-     * @var int $minArgs
-     */
-    public $minArgs = 0;
-
-    /**
-     * Preferred fetchmode. Note that not all subcommands have output available for 
+     * Preferred fetchmode. Note that not all subcommands have output available for
      * each preferred fetchmode. The default cascade is:
      *
      * VERSIONCONTROL_SVN_FETCHMODE_ASSOC
@@ -191,6 +166,38 @@ abstract class VersionControl_SVN_Command
      */
     public $configOption = null;
 
+    /**
+     * Default no-auth-cache to use for connections.
+     *
+     * @var string $noAuthCache
+     */
+    public $noAuthCache = null;
+
+    /**
+     * Default trust-server-cert to use for connections.
+     *
+     * @var string $trustServerCert
+     */
+    public $trustServerCert = false;
+
+    /**
+     * Switches required by this subcommand.
+     * See {@link http://svnbook.red-bean.com/svnbook/ Version Control with Subversion},
+     * Subversion Complete Reference for details on arguments for this subcommand.
+     *
+     * @var array $requiredSwitches
+     */
+    protected $requiredSwitches = array();
+
+    /**
+     * Minimum number of args required by this subcommand.
+     * See {@link http://svnbook.red-bean.com/svnbook/ Version Control with Subversion},
+     * Subversion Complete Reference for details on arguments for this subcommand.
+     *
+     * @var int $minArgs
+     */
+    protected $minArgs = 0;
+
     /**
      * SVN subcommand to run.
      * 
@@ -315,9 +322,7 @@ public function prepare()
 
         $this->postProcessSwitches($invalidSwitches);
 
-        $this->preparedCmd = implode(
-            ' ', array_merge($cmdParts, $this->args)
-        );
+        $this->preparedCmd = implode(' ', array_merge($cmdParts, $this->args));
     }
 
     /**
@@ -364,15 +369,25 @@ protected function preProcessSwitches()
         } else {
             $this->switches['xml'] = false;
         }
-        
+
         $this->switches['non-interactive'] = true;
 
         $this->fillSwitch('username', $this->username);
         $this->fillSwitch('password', $this->password);
         $this->fillSwitch('config-dir', $this->configDir);
         $this->fillSwitch('config-option', $this->configOption);
+        $this->fillSwitch('no-auth-cache', $this->noAuthCache);
+        $this->fillSwitch('trust-server-cert', $this->trustServerCert);
     }
 
+    /**
+     * Fills the switches array on given name with value if not already set and value is not null.
+     *
+     * @param string $switchName Name of the switch.
+     * @param string $value      Value for the switch.
+     *
+     * @return void
+     */
     protected function fillSwitch($switchName, $value)
     {
         if (!isset($this->switches[$switchName])
@@ -391,13 +406,6 @@ protected function fillSwitch($switchName, $value)
      */
     public function checkCommandRequirements()
     {
-        // Set up error push parameters to avoid any notices about undefined indexes
-        $params['options']     = $this->options;
-        $params['switches']    = $this->switches;
-        $params['args']        = $this->args;
-        $params['commandName'] = $this->commandName;
-        $params['cmd']         = '';
-        
         // Check for minimum arguments
         if (sizeof($this->args) < $this->minArgs) {
             throw new VersionControl_SVN_Exception(
@@ -405,7 +413,7 @@ public function checkCommandRequirements()
                 VersionControl_SVN_Exception::MIN_ARGS
             );
         }
-        
+
         // Check for presence of required switches
         if (sizeof($this->requiredSwitches) > 0) {
             $missing    = array();
@@ -420,7 +428,7 @@ public function checkCommandRequirements()
                     }
                 }
                 if (!$found) {
-                    $missing[] = '('.$req.')';
+                    $missing[] = '(' . $req . ')';
                 }
             }
             $num_missing = count($missing);
@@ -439,15 +447,11 @@ public function checkCommandRequirements()
      * @param array $args     Arguments to pass to Subversion
      * @param array $switches Switches to pass to Subversion
      *
-     * @return  mixed   $fetchmode specified output on success.
+     * @return mixed $fetchmode specified output on success.
      * @throws VersionControl_SVN_Exception If command failed.
      */
     public function run($args = array(), $switches = array())
     {
-        if ($this->svn_path != '') {
-            $this->binaryPath = $this->svn_path;
-        }
-        
         if (!file_exists($this->binaryPath)) {
             $system = new System();
             $this->binaryPath = $system->which('svn');
@@ -472,7 +476,7 @@ public function run($args = array(), $switches = array())
         $cmd = $this->preparedCmd;
 
         // On Windows, don't use escapeshellcmd, and double-quote $cmd
-        // so it's executed as 
+        // so it's executed as
         // cmd /c ""C:\Program Files\SVN\bin\svn.exe" info "C:\Program Files\dev\trunk""
         if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
             $cmd = str_replace(
@@ -513,8 +517,8 @@ public function run($args = array(), $switches = array())
      *
      * @param array $out Array of output captured by exec command in {@link run}
      *
-     * @return  mixed   Returns output requested by fetchmode (if available), or 
-     *                  raw output if desired fetchmode is not available.
+     * @return mixed Returns output requested by fetchmode (if available), or
+     *               raw output if desired fetchmode is not available.
      */
     public function parseOutput($out)
     {
diff --git a/VersionControl/SVN/Command/Add.php b/VersionControl/SVN/Command/Add.php
index 6ff5408..014bf9f 100644
--- a/VersionControl/SVN/Command/Add.php
+++ b/VersionControl/SVN/Command/Add.php
@@ -132,7 +132,7 @@ class VersionControl_SVN_Command_Add extends VersionControl_SVN_Command
      *
      * @var int $minArgs
      */
-    public $minArgs = 1;
+    protected $minArgs = 1;
 
     /**
      * Constuctor of command. Adds available switches.
diff --git a/VersionControl/SVN/Command/Blame.php b/VersionControl/SVN/Command/Blame.php
index ff53e1e..bca587c 100644
--- a/VersionControl/SVN/Command/Blame.php
+++ b/VersionControl/SVN/Command/Blame.php
@@ -128,7 +128,7 @@ class VersionControl_SVN_Command_Blame extends VersionControl_SVN_Command
      *
      * @var int $minArgs
      */
-    public $minArgs = 1;
+    protected $minArgs = 1;
 
     /**
      * Keep track of whether XML output is available for a command
diff --git a/VersionControl/SVN/Command/Cat.php b/VersionControl/SVN/Command/Cat.php
index da968d4..e1244f7 100644
--- a/VersionControl/SVN/Command/Cat.php
+++ b/VersionControl/SVN/Command/Cat.php
@@ -125,7 +125,7 @@ class VersionControl_SVN_Command_Cat extends VersionControl_SVN_Command
      *
      * @var int $minArgs
      */
-    public $minArgs = 1;
+    protected $minArgs = 1;
 
     /**
      * Constuctor of command. Adds available switches.
diff --git a/VersionControl/SVN/Command/Checkout.php b/VersionControl/SVN/Command/Checkout.php
index ff1af0f..79758f4 100644
--- a/VersionControl/SVN/Command/Checkout.php
+++ b/VersionControl/SVN/Command/Checkout.php
@@ -139,7 +139,7 @@ class VersionControl_SVN_Command_Checkout extends VersionControl_SVN_Command
      *
      * @var int $minArgs
      */
-    public $minArgs = 1;
+    protected $minArgs = 1;
 
     /**
      * Constuctor of command. Adds available switches.
diff --git a/VersionControl/SVN/Command/Commit.php b/VersionControl/SVN/Command/Commit.php
index 17e31b1..338b59d 100644
--- a/VersionControl/SVN/Command/Commit.php
+++ b/VersionControl/SVN/Command/Commit.php
@@ -141,7 +141,7 @@ class VersionControl_SVN_Command_Commit extends VersionControl_SVN_Command
      *
      * @var array $requiredSwitches
      */
-    public $requiredSwitches = array('m|message|F|file');
+    protected $requiredSwitches = array('m|message|F|file');
 
     /**
      * Constuctor of command. Adds available switches.
diff --git a/VersionControl/SVN/Command/Delete.php b/VersionControl/SVN/Command/Delete.php
index 2a02e9a..716da84 100644
--- a/VersionControl/SVN/Command/Delete.php
+++ b/VersionControl/SVN/Command/Delete.php
@@ -142,7 +142,7 @@ class VersionControl_SVN_Command_Delete extends VersionControl_SVN_Command
      *
      * @var int $minArgs
      */
-    public $minArgs = 1;
+    protected $minArgs = 1;
 
     /**
      * Constuctor of command. Adds available switches.
diff --git a/VersionControl/SVN/Command/Diff.php b/VersionControl/SVN/Command/Diff.php
index 2961552..d090041 100644
--- a/VersionControl/SVN/Command/Diff.php
+++ b/VersionControl/SVN/Command/Diff.php
@@ -213,7 +213,7 @@ class VersionControl_SVN_Command_Diff extends VersionControl_SVN_Command
      *
      * @var int $minArgs
      */
-    public $minArgs = 1;
+    protected $minArgs = 1;
 
     /**
      * Keep track of whether XML output is available for a command
diff --git a/VersionControl/SVN/Command/Export.php b/VersionControl/SVN/Command/Export.php
index 0adfead..96b2ae9 100644
--- a/VersionControl/SVN/Command/Export.php
+++ b/VersionControl/SVN/Command/Export.php
@@ -168,7 +168,7 @@ class VersionControl_SVN_Command_Export extends VersionControl_SVN_Command
      *
      * @var int $minArgs
      */
-    public $minArgs = 1;
+    protected $minArgs = 1;
 
     /**
      * Constuctor of command. Adds available switches.
diff --git a/VersionControl/SVN/Command/Import.php b/VersionControl/SVN/Command/Import.php
index 9618486..9317552 100644
--- a/VersionControl/SVN/Command/Import.php
+++ b/VersionControl/SVN/Command/Import.php
@@ -146,7 +146,7 @@ class VersionControl_SVN_Command_Import extends VersionControl_SVN_Command
      *
      * @var int $minArgs
      */
-    public $minArgs = 1;
+    protected $minArgs = 1;
 
     /**
      * Switches required by this subcommand.
@@ -155,7 +155,7 @@ class VersionControl_SVN_Command_Import extends VersionControl_SVN_Command
      *
      * @var array $requiredSwitches
      */
-    public $requiredSwitches = array('m|message|F|file');
+    protected $requiredSwitches = array('m|message|F|file');
 
     /**
      * Constuctor of command. Adds available switches.
diff --git a/VersionControl/SVN/Command/Merge.php b/VersionControl/SVN/Command/Merge.php
index a37c933..65f78ce 100644
--- a/VersionControl/SVN/Command/Merge.php
+++ b/VersionControl/SVN/Command/Merge.php
@@ -206,7 +206,7 @@ class VersionControl_SVN_Command_Merge extends VersionControl_SVN_Command
      *
      * @var int $minArgs
      */
-    public $minArgs = 1;
+    protected $minArgs = 1;
 
     /**
      * Constuctor of command. Adds available switches.
diff --git a/VersionControl/SVN/Command/Mkdir.php b/VersionControl/SVN/Command/Mkdir.php
index 2f46f8d..2328f38 100644
--- a/VersionControl/SVN/Command/Mkdir.php
+++ b/VersionControl/SVN/Command/Mkdir.php
@@ -147,7 +147,7 @@ class VersionControl_SVN_Command_Mkdir extends VersionControl_SVN_Command
      *
      * @var int $minArgs
      */
-    public $minArgs = 1;
+    protected $minArgs = 1;
 
     /**
      * Switches required by this subcommand.
@@ -156,7 +156,7 @@ class VersionControl_SVN_Command_Mkdir extends VersionControl_SVN_Command
      *
      * @var array $requiredSwitches
      */
-    public $requiredSwitches = array('m|message|F|file');
+    protected $requiredSwitches = array('m|message|F|file');
 
     /**
      * Constuctor of command. Adds available switches.
diff --git a/VersionControl/SVN/Command/Propdel.php b/VersionControl/SVN/Command/Propdel.php
index a691b18..935eb61 100644
--- a/VersionControl/SVN/Command/Propdel.php
+++ b/VersionControl/SVN/Command/Propdel.php
@@ -132,7 +132,7 @@ class VersionControl_SVN_Command_Propdel extends VersionControl_SVN_Command
      *
      * @var int $minArgs
      */
-    public $minArgs = 1;
+    protected $minArgs = 1;
 
     /**
      * Constuctor of command. Adds available switches.
diff --git a/VersionControl/SVN/Command/Propget.php b/VersionControl/SVN/Command/Propget.php
index e965975..dd941b7 100644
--- a/VersionControl/SVN/Command/Propget.php
+++ b/VersionControl/SVN/Command/Propget.php
@@ -139,7 +139,7 @@ class VersionControl_SVN_Command_Propget extends VersionControl_SVN_Command
      *
      * @var int $minArgs
      */
-    public $minArgs = 1;
+    protected $minArgs = 1;
 
     /**
      * Keep track of whether XML output is available for a command
diff --git a/VersionControl/SVN/Command/Propset.php b/VersionControl/SVN/Command/Propset.php
index cb2539e..07b3d2f 100644
--- a/VersionControl/SVN/Command/Propset.php
+++ b/VersionControl/SVN/Command/Propset.php
@@ -166,7 +166,7 @@ class VersionControl_SVN_Command_Propset extends VersionControl_SVN_Command
      *
      * @var int $minArgs
      */
-    public $minArgs = 3;
+    protected $minArgs = 3;
 
     /**
      * Constuctor of command. Adds available switches.
diff --git a/VersionControl/SVN/Command/Resolved.php b/VersionControl/SVN/Command/Resolved.php
index 1e5eb59..2d28449 100644
--- a/VersionControl/SVN/Command/Resolved.php
+++ b/VersionControl/SVN/Command/Resolved.php
@@ -123,7 +123,7 @@ class VersionControl_SVN_Command_Resolved extends VersionControl_SVN_Command
      *
      * @var int $minArgs
      */
-    public $minArgs = 1;
+    protected $minArgs = 1;
 
     /**
      * Constuctor of command. Adds available switches.
diff --git a/VersionControl/SVN/Command/Revert.php b/VersionControl/SVN/Command/Revert.php
index ae2b23d..d7a922a 100644
--- a/VersionControl/SVN/Command/Revert.php
+++ b/VersionControl/SVN/Command/Revert.php
@@ -122,7 +122,7 @@ class VersionControl_SVN_Command_Revert extends VersionControl_SVN_Command
      *
      * @var int $minArgs
      */
-    public $minArgs = 1;
+    protected $minArgs = 1;
 
     /**
      * Constuctor of command. Adds available switches.
diff --git a/VersionControl/SVN/Command/Switch.php b/VersionControl/SVN/Command/Switch.php
index 29f7d2b..4463ff5 100644
--- a/VersionControl/SVN/Command/Switch.php
+++ b/VersionControl/SVN/Command/Switch.php
@@ -150,7 +150,7 @@ class VersionControl_SVN_Command_Switch extends VersionControl_SVN_Command
      *
      * @var int $minArgs
      */
-    public $minArgs = 1;
+    protected $minArgs = 1;
 
     /**
      * Constuctor of command. Adds available switches.