Version string and help documentation

README.md

@@ -174,6 +174,9 @@ typedef struct TIMESLIME_REPORT_STRUCT TIMESLIME_REPORT_t;
 Once build, if you add the executable (in the `build` folder) to your system `PATH`, you can run it with the following commands:
 
 ```shell
+# Show information and command help
+> timeslime help
+
 # Add an amount of time to the current date
 > timeslime add [hours]
 

shell/shell.c

@@ -193,7 +193,7 @@ static void perform_report_action(args_t args)
 void display_help(void)
 {
     printf("Author: %s\n", AUTHOR);
-    printf("Version: %s\n", PROGRAM_VERSION);
+    printf("Version: %s\n", TIMESLIME_VERSION_STR);
     printf("%s\n\n\n", DESCRIPTION);
 
     printf("Usage:\n");

shell/string_literals.h

@@ -31,7 +31,6 @@
 #define PROGRAM_NAME    "timeslime"
 #define AUTHOR          "Michael Rouse"
 #define DESCRIPTION     "\nTime Slime is a command line utility to keep \ntrack of hours worked remotely. \nA time sheet in your terminal!"
-#define PROGRAM_VERSION "2018.08.19"
 
 
 #define DATABASE_FILE       "timeslime.db"

timeslime.h

@@ -118,4 +118,20 @@ char*  TimeSlime_StatusCode(TIMESLIME_STATUS_t status);
 
 #define __TS_QRY_GET_ALL_ENTIRES __TS_QRY_GET_COMPLTED_CLOCK_ENTRIES " OR " __TS_QRY_GET_ADDED_HOURS
 
+
+/* Versioning, do not touch unless increasing the version */
+#define _TO_VERSION_STRING(v) "v"__TO_VERSION_STRING(v)
+#define __TO_VERSION_STRING(v) #v
+
+#ifdef TIMESLIME_VERSION
+#undef TIMESLIME_VERSION
+#endif
+#define TIMESLIME_VERSION       0.8
+
+#ifdef TIMESLIME_VERSION_STR
+#undef TIMESLIME_VERSION_STR
+#endif
+#define TIMESLIME_VERSION_STR   _TO_VERSION_STRING(TIMESLIME_VERSION)
+
+
 #endif
\ No newline at end of file