Minor fixes

src/main/java/mattrixwv/ProjectEuler/Problems/Problem.java

@@ -35,6 +35,7 @@ public abstract class Problem{
 	//Constructor
 	public Problem(String description){
 		this.description = description;
+		solved = false;
 	}
 
 	//Gets
@@ -45,7 +46,7 @@ public abstract class Problem{
 	//Returns the result of solving the problem
 	public abstract String getResult();
 	//Returns the time taken to run the problem as a string
-	public String getTime() throws InvalidResult{
+	public String getTime() throws InvalidResult, Unsolved{
 		if(!solved){
 			throw new Unsolved();
 		}