Added @SafeVarargs annotation to basic filters

src/main/java/rx/beamline/filters/ExcludeOnCaseAttributeEqualityFilter.java

@@ -15,6 +15,7 @@ public class ExcludeOnCaseAttributeEqualityFilter<T extends XAttribute> implemen
 	private String attributeName;
 	private Set<T> attributeValues;
 	
+	@SafeVarargs
 	public ExcludeOnCaseAttributeEqualityFilter(String attributeName, T ...values) {
 		this.attributeName = attributeName;
 		this.attributeValues = new HashSet<T>(Arrays.asList(values));

src/main/java/rx/beamline/filters/ExcludeOnEventAttributeEqualityFilter.java

@@ -15,6 +15,7 @@ public class ExcludeOnEventAttributeEqualityFilter<T extends XAttribute> impleme
 	private String attributeName;
 	private Set<T> attributeValues;
 	
+	@SafeVarargs
 	public ExcludeOnEventAttributeEqualityFilter(String attributeName, T ...values) {
 		this.attributeName = attributeName;
 		this.attributeValues = new HashSet<T>(Arrays.asList(values));

src/main/java/rx/beamline/filters/RetainOnCaseAttributeEqualityFilter.java

@@ -15,6 +15,7 @@ public class RetainOnCaseAttributeEqualityFilter<T extends XAttribute> implement
 	private String attributeName;
 	private Set<T> attributeValues;
 	
+	@SafeVarargs
 	public RetainOnCaseAttributeEqualityFilter(String attributeName, T ...values) {
 		this.attributeName = attributeName;
 		this.attributeValues = new HashSet<T>(Arrays.asList(values));

src/main/java/rx/beamline/filters/RetainOnEventAttributeEqualityFilter.java

@@ -15,6 +15,7 @@ public class RetainOnEventAttributeEqualityFilter<T extends XAttribute> implemen
 	private String attributeName;
 	private Set<T> attributeValues;
 	
+	@SafeVarargs
 	public RetainOnEventAttributeEqualityFilter(String attributeName, T ...values) {
 		this.attributeName = attributeName;
 		this.attributeValues = new HashSet<T>(Arrays.asList(values));