[Make] remove release folders after zipping

Makefile

@@ -32,6 +32,9 @@ pkgrelease:
 	cd $(RELEASE_DIR) && zip -r darwin_amd64 darwin_amd64/
 	cd $(RELEASE_DIR) && zip -r windows_amd64 windows_amd64/
 
+	rm -rf $(RELEASE_DIR)/linux_amd64
+	rm -rf $(RELEASE_DIR)/darwin_amd64
+	rm -rf $(RELEASE_DIR)/windows_amd64
 
 race:
 	cd $(SRC_DIR) && go build -race && mv $(EXE_NAME) ..
@@ -43,4 +46,4 @@ test:
 	cd $(SRC_DIR) && go test ./...
 
 clean:
-	rm $(EXE_NAME)
+	rm -rf $(EXE_NAME) $(RELEASE_DIR)

src/main.go

@@ -60,7 +60,7 @@ func init() {
 		fmt.Printf("| -a [ip_address|domain_name] address to connect to (cannot be used with -s)\n")
 		fmt.Printf("| -d [path_to_directory] where the files will be downloaded to (cannot be used with -s)\n")
 		fmt.Printf("| -s [path_to_file|directory] to send it (cannot be used with -a)\n")
-		fmt.Printf("| -vp [true|false] to turn off|on verbose output")
+		fmt.Printf("| -vp [true|false] to turn on|off verbose output")
 		fmt.Printf("| -l print license information\n")
 		fmt.Printf("| -v print version information\n\n\n")