improved constructors

Author: Barakudum

src/main/java/org/dynapi/squirtle/core/dialects/sqlite/SQLiteValueWrapper.java

@@ -4,6 +4,10 @@
 import org.dynapi.squirtle.core.terms.values.ValueWrapper;
 
 public class SQLiteValueWrapper extends ValueWrapper {
+    public SQLiteValueWrapper(Object value) {
+        this(null, value);
+    }
+
     public SQLiteValueWrapper(String alias, Object value) {
         super(alias, value);
     }

src/main/java/org/dynapi/squirtle/core/terms/values/ValueWrapper.java

@@ -16,6 +16,10 @@ public class ValueWrapper extends Term implements SqlAble {
 
     private final Object value;
 
+    public ValueWrapper(Object value) {
+        this(null, value);
+    }
+
     public ValueWrapper(String alias, Object value) {
         super(alias);
         this.value = value;