More msvc fixes (#147)

* pre_normalizer.cpp

* normalizer fix

Author: JacobSzwejbka

src/normalizer.cpp

@@ -45,7 +45,7 @@ Normalizer::Ptr NormalizerConfig::create() const {
     return Normalizer::Ptr(new ReplaceNormalizer(*pattern, *content));
   }
   if (type == "Sequence") {
-    if (!normalizers or normalizers->empty()) {
+    if (!normalizers || normalizers->empty()) {
       throw std::runtime_error(
           "Missing normalizers for Normalizer of type Sequence");
     }

src/pre_tokenizer.cpp

@@ -13,8 +13,14 @@
 
 // Standard
 #include <algorithm>
+#include <cassert>
+#include <cstddef>
 #include <iterator>
+#include <memory>
+#include <stdexcept>
+#include <string>
 #include <utility>
+#include <vector>
 
 // Third Party
 #include <nlohmann/json.hpp>
@@ -78,7 +84,7 @@ PreTokenizer::Ptr PreTokenizerConfig::create() const {
     return PreTokenizer::Ptr(new ByteLevelPreTokenizer());
   }
   if (type == "Sequence") {
-    if (!pretokenizers or pretokenizers->empty()) {
+    if (!pretokenizers || pretokenizers->empty()) {
       throw std::runtime_error(
           "Missing pretokenizers for PreTokenizer of type Sequence");
     }