Add LogLevel None support

.gitignore

@@ -57,3 +57,5 @@ java/data
 java/*.dylib
 java/*.so
 java/*dll
+
+*.log

native/src/JavaPipeline.cpp

@@ -36,6 +36,7 @@
 #include <pdal/XMLSchema.hpp>
 #endif
 
+using pdal::LogLevel;
 using pdal::LogPtr;
 using pdal::MetadataNode;
 using pdal::PointId;
@@ -227,8 +228,9 @@ void PipelineExecutor::setLogStream(std::ostream& strm)
 
 void PipelineExecutor::setLogLevel(int level)
 {
-    if (level < 0 || level > 8)
-        throw java_error("log level must be between 0 and 8!");
+    if (level == static_cast<int>(LogLevel::None)) return;
+    if (level < static_cast<int>(LogLevel::Error) || level > static_cast<int>(LogLevel::Debug5))
+        throw java_error("log level must be between 0 and 9!");
 
     m_logLevel = static_cast<pdal::LogLevel>(level);
     setLogStream(m_logStream);