Map CharSequence interface to StringTypeManufacturerImpl as reported in Issue #310

Author: daivanov

src/main/java/uk/co/jemos/podam/api/AbstractRandomDataProviderStrategy.java

@@ -179,6 +179,7 @@ public AbstractRandomDataProviderStrategy(int nbrOfCollectionElements) {
 
 		TypeManufacturer<?> stringManufacturer = new StringTypeManufacturerImpl();
 		typeManufacturers.put(String.class, stringManufacturer);
+		typeManufacturers.put(CharSequence.class, stringManufacturer);
 
 		TypeManufacturer<?> enumManufacturer = new EnumTypeManufacturerImpl();
 		typeManufacturers.put(Enum.class, enumManufacturer);