Fix grammar and forward-port minor changes (#91)

* Backport test exception handling to chapter 1

* Add unary ! to chapter 10 and 11 grammars

* Lex { } ! as punctuation

* Forward-port format whitespace

* Forward-port test organization

* Forward-port replace build-graphs.sh with Makefile

* Add chapter title to chapter 11

2 files changed, 1 insertions, 4 deletions

diff --git a/chapter06/src/main/java/com/seaofnodes/simple/Parser.java b/chapter06/src/main/java/com/seaofnodes/simple/Parser.java
index 83eaa099..5a844f0e 100644
--- a/chapter06/src/main/java/com/seaofnodes/simple/Parser.java
+++ b/chapter06/src/main/java/com/seaofnodes/simple/Parser.java
@@ -513,9 +513,8 @@ public class Parser {
             return new String(_input, start, --_position - start);
         }
 
-        //
         private boolean isPunctuation(char ch) {
-            return "=;[]<>()+-/*".indexOf(ch) != -1;
+            return "=;[]<>(){}+-/*!".indexOf(ch) != -1;
         }
 
         private String parsePunctuation() {
diff --git a/chapter06/src/test/java/com/seaofnodes/simple/Chapter05Test.java b/chapter06/src/test/java/com/seaofnodes/simple/Chapter05Test.java
index fa576700..b5fcbeaf 100644
--- a/chapter06/src/test/java/com/seaofnodes/simple/Chapter05Test.java
+++ b/chapter06/src/test/java/com/seaofnodes/simple/Chapter05Test.java
@@ -2,9 +2,7 @@ package com.seaofnodes.simple;
 
 import com.seaofnodes.simple.node.*;
 import com.seaofnodes.simple.type.TypeInteger;
-import org.junit.Rule;
 import org.junit.Test;
-import org.junit.rules.ExpectedException;
 
 import static org.junit.Assert.*;