Merge pull request #1 from TomHarte/HeaderRevision

Review all #include lists.

Author: TomHarte

src/CRC.hpp

@@ -8,8 +8,8 @@
 
 #pragma once
 
+#include <cstddef>
 #include <cstdint>
-#include <vector>
 
 namespace CRC {
 

src/tokeniser.cpp

@@ -1,10 +1,12 @@
 #include "tokeniser.hpp"
 #include "trie.hpp"
 
+#include <algorithm>
 #include <cctype>
 #include <cstdio>
 #include <functional>
-#include <map>
+#include <vector>
+#include <string>
 
 /*
 	Implements parsing of BBC BASIC v2.

src/trie.hpp

@@ -3,6 +3,7 @@
 #include <initializer_list>
 #include <optional>
 #include <unordered_map>
+#include <utility>
 
 /// Implements a fairly-vanilla retrieval tree.
 ///