Merge pull request #36 from narugit/feature/update_ver_0.4.0

feat: update to 0.4.0

Author: narugit

README.md

@@ -22,7 +22,7 @@ $ smctemp -c
 ## Usage 
 ```console
 $ smctemp -h
-Check Temperature by using Apple System Management Control (Smc) tool 0.3.2
+Check Temperature by using Apple System Management Control (Smc) tool 0.4.0
 Usage:
 ./smctemp [options]
     -c         : list CPU temperatures (Celsius)

smctemp.h

@@ -33,7 +33,7 @@
 #define COUNT_OF(x) ((sizeof(x)/sizeof(0[x])) / ((size_t)(!(sizeof(x) % sizeof(0[x])))))
 
 namespace smctemp {
-const std::string kVersion = "0.3.2";
+const char kVersion[] = "0.4.0";
 constexpr char kIOAppleSmcHiddenClassName[] = "AppleSMC";
 constexpr char kSmcCmdReadBytes = 5;
 constexpr char kSmcCmdReadIndex = 8;