diff --git a/functions.inc.php b/functions.inc.php
index 8a40d6a0..35b4dbe3 100644
--- a/functions.inc.php
+++ b/functions.inc.php
@@ -352,8 +352,8 @@ function escape_string($string_or_int) {
  *  $param = safeget('param', 'default')
  *
  * @param string $param parameter name.
- * @param string $default (optional) - default value if key is not set.
- * @return string
+ * @param string|array $default (optional) - default value if key is not set.
+ * @return string|array 
  */
 function safeget($param, $default = "") {
     $retval = $default;
@@ -1574,7 +1574,7 @@ function db_connect() {
 /**
  * Returns the appropriate boolean value for the database.
  *
- * @param bool $bool
+ * @param bool|string $bool
  * @return string|int as appropriate for underlying db platform
  */
 function db_get_boolean($bool) {
diff --git a/model/Config.php b/model/Config.php
index 067370be..7b949901 100644
--- a/model/Config.php
+++ b/model/Config.php
@@ -109,7 +109,7 @@ final class Config {
      * Configure::read('Name.key'); will return only the value of Configure::Name[key]
      *
      * @param string $var Variable to obtain
-     * @return array|string|null string value of Configure::$var
+     * @return array|string|null|bool some value
      * @access public
      */
     public static function read($var) {
diff --git a/model/Shell.php b/model/Shell.php
index 3d2bece6..09fbaaa4 100644
--- a/model/Shell.php
+++ b/model/Shell.php
@@ -180,9 +180,8 @@ class Shell {
     /**
      * Outputs to the stdout filehandle.
      *
-     * @param string $string String to output.
+     * @param string|array $string String to output.
      * @param boolean $newline If true, the outputs gets an added newline.
-     * @access public
      */
     public function out($string, $newline = true) {
         if (is_array($string)) {
@@ -197,7 +196,7 @@ class Shell {
     /**
      * Outputs to the stderr filehandle.
      *
-     * @param string $string Error text to output.
+     * @param string|array $string Error text to output.
      * @access public
      */
     public function err($string) {
diff --git a/psalm.xml b/psalm.xml
index a1a05f1d..df696107 100644
--- a/psalm.xml
+++ b/psalm.xml
@@ -35,17 +35,6 @@
 
         <!-- level 3 issues - slightly lazy code writing, but provably low false-negatives -->
 
-        <DeprecatedMethod errorLevel="info" />
-        <DeprecatedProperty errorLevel="info" />
-        <DeprecatedClass errorLevel="info" />
-        <DeprecatedConstant errorLevel="info" />
-        <DeprecatedInterface errorLevel="info" />
-        <DeprecatedTrait errorLevel="info" />
-
-        <InternalMethod errorLevel="info" />
-        <InternalProperty errorLevel="info" />
-        <InternalClass errorLevel="info" />
-
         <MissingClosureReturnType errorLevel="info" />
         <MissingReturnType errorLevel="info" />
         <MissingPropertyType errorLevel="info" />
@@ -55,13 +44,10 @@
         <MissingClosureParamType errorLevel="info" />
         <MissingParamType errorLevel="info" />
 
-        <DocblockTypeContradiction errorLevel="info" />
         <RedundantConditionGivenDocblockType errorLevel="info" />
 
         <UnresolvableInclude errorLevel="info" />
-
         <RawObjectIteration errorLevel="info" />
-
         <InvalidStringClass errorLevel="info" />
     </issueHandlers>
 </psalm>
diff --git a/public/list.php b/public/list.php
index 7f25e4f6..7e2d0900 100644
--- a/public/list.php
+++ b/public/list.php
@@ -23,6 +23,9 @@ $username = authentication_get_username(); # enforce login
 
 $table = safeget('table');
 
+if(!is_string($table)) {
+    die("table parameter must be a string");
+}
 $handlerclass = ucfirst($table) . 'Handler';
 
 if (!preg_match('/^[a-z]+$/', $table) || !file_exists(dirname(__FILE__) . "/../model/$handlerclass.php")) { # validate $table