(#59) Tiny comment improvements

Author: Laks Castro

android/src/main/kotlin/io/lakscastro/sharedstorage/storageaccessframework/lib/DocumentCommon.kt

@@ -164,25 +164,23 @@ fun traverseDirectoryEntries(
   block: (data: Map<String, Any>, isLast: Boolean) -> Unit
 ): Boolean {
 
-
   var childrenUritmp: Uri?;
 
-
-  //https://stackoverflow.com/questions/41096332/issues-traversing-through-directory-hierarchy-with-android-storage-access-framew
-  //Credit to user: Foobnix
-  //If we were to always use getTreeDocumentId, it would apparently always only list the top level folder even if you request a subfolder
-
+  // https://stackoverflow.com/questions/41096332/issues-traversing-through-directory-hierarchy-with-android-storage-access-framew
+  // Credit to user: Foobnix
+  // If we were to always use getTreeDocumentId, it would apparently always only list the top level folder even if you request a subfolder
   try {
-      //for childs and sub child dirs
+      // for childs and sub child dirs
        childrenUritmp = DocumentsContract.buildChildDocumentsUriUsingTree(rootUri, DocumentsContract.getDocumentId(rootUri));
-  } catch (e:Exception) {
+  } catch (e: Exception) {
       // for parent dir
        childrenUritmp = DocumentsContract.buildChildDocumentsUriUsingTree(rootUri, DocumentsContract.getTreeDocumentId(rootUri));
   }
 
+  // TODO(@EternityForest, @lakscastro): Remove this variable and use: `val childrenUri = try { ... } catch (e: Exception) { ... }`
   val childrenUri = childrenUritmp as Uri;
 
-  /// Keep track of our directory hierarchy
+  // Keep track of our directory hierarchy
   val dirNodes = mutableListOf<Pair<Uri, Uri>>(Pair(rootUri, childrenUri))
 
   while (dirNodes.isNotEmpty()) {
@@ -203,7 +201,7 @@ fun traverseDirectoryEntries(
     val cursor = contentResolver.query(
       children,
       projection,
-      /// TODO: Add support for `selection`, `selectionArgs` and `sortOrder`
+      // TODO: Add support for `selection`, `selectionArgs` and `sortOrder`
       null,
       null,
       null
@@ -283,7 +281,7 @@ fun bitmapToBase64(bitmap: Bitmap): String {
 }
 
 /**
- * Trick to verify if is a tree URi even not in API 26+
+ * Trick to verify if is a tree URI even not in API 26+
  */
 fun isTreeUri(uri: Uri): Boolean {
   if (Build.VERSION.SDK_INT >= API_24) {