Ignore directory/file exists

Author: hhariri

src/macosMain/kotlin/com/jetbrains/handson/handson/init/FileIO.kt

@@ -30,7 +30,7 @@ class FileIO() {
 
     fun createFolder(folderName: String) {
         val result = mkdir(folderName, S_IRWXU)
-        if (result != 0 && result != EEXIST) {
+        if (result != 0 && result != -1) {
             throw FileIOException(errno)
         }
     }

src/macosMain/kotlin/com/jetbrains/handson/handson/init/Main.kt

@@ -20,10 +20,7 @@ fun main(args: Array<String>) {
         handsOnInitiator.createLicenseFile()
         handsOnInitiator.createGitIngoreFile()
         handsOnInitiator.outputInstructions()
-    } catch (e: ConfigurationException) {
-        printErrorMessage(e)
-        exitProcess(-1)
-    } catch (e: HandsOnInitiatorException) {
+    } catch (e: Exception) {
         printErrorMessage(e)
         exitProcess(-1)
     }