ErrorMsg --> Error and minor fixes

[texadactyl]

modified:   classloader/archives.go
modified:   classloader/classes.go
modified:   classloader/classloader.go
modified:   classloader/jmodBase.go
modified:   classloader/jmodBytes.go
modified:   classloader/jmodMap.go
modified:   exceptions/errors.go
modified:   gfunction/gfunction.go
modified:   gfunction/javaIoFile.go
modified:   gfunction/javaLangClass.go
modified:   gfunction/javaLangMath.go
modified:   gfunction/javaLangStackTraceElement.go
modified:   gfunction/javaLangSystem.go
modified:   gfunction/javaLangThrowable.go
modified:   gfunction/javaMathBigInteger.go
modified:   jvm/cli.go
modified:   jvm/initializerBlock.go
modified:   jvm/instantiate.go
modified:   jvm/interpreter.go
modified:   jvm/jvmStart.go
modified:   jvm/run.go
modified:   native/nativeInit.go
modified:   native/osBridgePosix.go
modified:   native/osBridgeWindows.go
modified:   object/string.go
modified:   statics/statics.go
modified:   trace/trace.go <------------------- ErrorMsg >> Error
modified:   trace/trace_test.go <------------ fixed error text, added a warning unit test
modified:   util/execUtilities.go