Small formatting fixes

Author: zauguin

README.md

@@ -30,9 +30,9 @@ int main() {
       // binds the fields to '?' .
       // note that only types allowed for bindings are :
       //      int ,long, long long, float, double
-      //      string , u16string
+      //      string, u16string
       // sqlite3 only supports utf8 and utf16 strings, you should use std::string for utf8 and std::u16string for utf16.
-	  // If you're using c++17, it takes `string_view` and `u16string_view` as arguments
+      // If you're using C++17, `std::string_view` and `std::u16string_view` can be used as string types.
       // note that u"my text" is a utf16 string literal of type char16_t * .
       db << "insert into user (age,name,weight) values (?,?,?);"
          << 20

hdr/sqlite_modern_cpp.h

@@ -105,7 +105,7 @@ namespace sqlite {
 
 	public:
 
-		database_binder(std::shared_ptr<sqlite3> db, u16str_ref  sql):
+		database_binder(std::shared_ptr<sqlite3> db, u16str_ref sql):
 			_db(db),
 			_stmt(_prepare(sql), sqlite3_finalize),
 			_inx(0) {

tests/string_view.cc

@@ -1,5 +1,3 @@
-#include <iostream>
-#include <cstdlib>
 #include <sqlite_modern_cpp.h>
 #include <catch.hpp>
 
@@ -8,9 +6,8 @@
 #include <string_view>
 
 using namespace sqlite;
-using namespace std;
 TEST_CASE("std::string_view works", "[string_view]") {
-	database db(":memory:");;
+	database db(":memory:");
 	db << "CREATE TABLE foo (a integer, b string);\n";
 	const std::string_view test1 = "null terminated string view";
 	db << "INSERT INTO foo VALUES (?, ?)" << 1 << test1;
@@ -23,4 +20,4 @@ TEST_CASE("std::string_view works", "[string_view]") {
 	db << "SELECT b from FOO where a=?" << 2 >> str;
 	REQUIRE(str == "he");
 }
-#endif
+#endif