Fix non-C++ code (#10)

Author: panosk

.gitignore

@@ -1 +1,2 @@
 build
+/.vs

src/Tokenizer.cc

@@ -234,7 +234,7 @@ namespace onmt
           bool cur_letter = false;
           bool cur_number = false;
           // skip special characters and BOM
-          if (v > 32 and v != 0xFEFF)
+          if (v > 32 && v != 0xFEFF)
           {
             if (substitutes.find(c)!=substitutes.end())
               c = substitutes.at(c);
@@ -311,7 +311,7 @@ namespace onmt
                 if (_joiner_annotate) {
                   if (_joiner_new) addjoiner = true;
                   else {
-                    if (!letter or prev_alphabet == "placeholder")
+                    if (!letter || prev_alphabet == "placeholder")
                       token += _joiner;
                     else
                       c = _joiner + c;

src/unicode/Unicode.cc

@@ -169,7 +169,7 @@ namespace onmt
     {
       if (!u)
         return false;
-      return (u >= 9 and u <= 13) or _find_codepoint(u, unidata_Separator);
+      return (u >= 9 && u <= 13) || _find_codepoint(u, unidata_Separator);
     }
 
     bool is_letter(code_point_t u, _type_letter &tl)