Add warning suppression

Author: MarcellPerger1

src/main/java/net/marcellperger/mathexpr/parser/ExprParseException.java

@@ -1,6 +1,7 @@
 package net.marcellperger.mathexpr.parser;
 
 
+@SuppressWarnings("unused")  // I want all the constructors
 public class ExprParseException extends Exception {
     public ExprParseException() {
         super();

src/main/java/net/marcellperger/mathexpr/parser/ExprParseRtException.java

@@ -1,5 +1,6 @@
 package net.marcellperger.mathexpr.parser;
 
+@SuppressWarnings("unused")  // I want all the constructors!
 public class ExprParseRtException extends RuntimeException {
     public ExprParseRtException() {
         super();

src/main/java/net/marcellperger/mathexpr/util/CollectionSizeException.java

@@ -1,5 +1,6 @@
 package net.marcellperger.mathexpr.util;
 
+@SuppressWarnings("unused")
 public class CollectionSizeException extends RuntimeException {
     public CollectionSizeException() {
     }

src/main/java/net/marcellperger/mathexpr/util/UncheckedException.java

@@ -4,6 +4,7 @@
 /**
  * A class for a general unchecked exception returned by {@link Util#}
  */
+@SuppressWarnings("unused")
 public class UncheckedException extends RuntimeException {
     public UncheckedException() {
     }