Fix JdbcMapper blob/clob warning messages and mistaken fallthrough to CLOB case from BLOB

jdbcmapper/src/main/java/com/moparisthebest/jdbc/codegen/JdbcMapperProcessor.java

@@ -877,18 +877,24 @@ public class JdbcMapperProcessor extends AbstractProcessor {
 								"\t\t\t}\n");
 						return;
 					} else if (!(types.isAssignable(o, inputStreamType) || types.isAssignable(o, blobType) || types.isAssignable(o, fileType) || types.isAssignable(o, byteArrayType))) {
-						processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, "@JdbcMapper.Blob only valid for String, byte[], Blob, InputStream, and File", specialParam.delegate);
+						processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, "JdbcMapper {blob:paramName} only valid for String, byte[], Blob, InputStream, and File", specialParam.delegate);
 						return;
 					}
+					// also if we have a blobStringCharset here it's only valid for String so error out
+					if(specialParam.blobStringCharset != null) {
+						processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, "JdbcMapper {blob:charset:paramName} charset can only be specified for String", specialParam.delegate);
+					}
+					break;
 				}
 				case CLOB: {
 					if (types.isAssignable(o, stringType)) {
 						method = "Clob";
 						variableName = variableName + " == null ? null : new java.io.StringReader(" + variableName + ")";
 					} else if (!(types.isAssignable(o, readerType) || types.isAssignable(o, clobType))) {
-						processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, "@JdbcMapper.Clob only valid for String, Clob, Reader", specialParam.delegate);
+						processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, "JdbcMapper {clob:paramName} only valid for String, Clob, Reader", specialParam.delegate);
 						return;
 					}
+					break;
 				}
 			}
 		}

readme.md

@@ -415,7 +415,10 @@ TODO
 ----
 
  * DOCUMENTATION!!!!!
- * sql other than select return boolean, int > 0 ?
  * @RunInTransaction void support
  * QueryMapper mapping errors should be clearer, especially if a .finish(ResultSet) throws an error
- * check QueryMapper/ResultSetMapper closing of ResultSets, it doesn't look guaranteed
+ * check QueryMapper/ResultSetMapper closing of ResultSets, it doesn't look guaranteed
+ * CompilingResultSetMapper fails on inner class like 'public static class Bla {'
+ * Support Optional<T> for all T instead of null
+ * change boolean to be consistent with other primitives?
+ * make sure 'fallback to resultSet.toObject()' never happens at compile-time with JdbcMapper