Code quality changes

Author: ZorTik

core/src/main/java/me/zort/sqllib/SQLDatabaseConnection.java

@@ -191,9 +191,7 @@ public void close() {
     }
 
     protected void logSqlError(Exception e) {
-        if(isLogSqlErrors()) {
-            e.printStackTrace();
-        }
+        if(isLogSqlErrors()) e.printStackTrace();
     }
 
 }

core/src/main/java/me/zort/sqllib/internal/impl/DefaultObjectMapper.java

@@ -53,7 +53,6 @@ public <T> T assignValues(Row row, Class<T> typeClass) {
                             c.setAccessible(true);
                             instance = (T) c.newInstance(vals);
                         } catch(Exception ignored) {
-                            continue;
                         }
                     }
                 }
@@ -72,7 +71,6 @@ public <T> T assignValues(Row row, Class<T> typeClass) {
                             field.getName(),
                             typeClass.getName()));
                 } catch(Exception ignored) {
-                    continue;
                 }
             }
         } catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {

core/src/main/java/me/zort/sqllib/internal/query/InsertQuery.java

@@ -47,9 +47,7 @@ public InsertQuery table(String table) {
     // Used internally
     public InsertQuery appendVal(Object val) {
         String[] newValues = new String[values.length + 1];
-        for(int i = 0; i < values.length; i++) {
-            newValues[i] = values[i];
-        }
+        System.arraycopy(values, 0, newValues, 0, values.length);
         newValues[values.length] = handleVal(val);
         this.values = newValues;
         return this;