typo

src/Utils/Dbo/LuFloatDbo.php

     public function min($min)
     {
         if ($this->_value < $min) {
-            throw new LuDboConstraintException("Float must be greater or equal than ${min}");
+            throw new LuDboConstraintException("Float must be greater or equal to ${min}");
         }
     }
 
     public function max($max)
     {
         if ($this->_value > $max) {
-            throw new LuDboConstraintException("Float must be smaller or equal than ${max}");
+            throw new LuDboConstraintException("Float must be smaller or equal to ${max}");
         }
     }
 }

src/Utils/Dbo/LuIntDbo.php

     public function min($min)
     {
         if ($this->_value < $min) {
-            throw new LuDboConstraintException("Integer must be greater or equal than ${min}");
+            throw new LuDboConstraintException("Integer must be greater or equal to ${min}");
         }
     }
 
     public function max($max)
     {
         if ($this->_value > $max) {
-            throw new LuDboConstraintException("Integer must be smaller or equal than ${max}");
+            throw new LuDboConstraintException("Integer must be smaller or equal to ${max}");
         }
     }