fixed numerous bugs

fileio/docs/write.md

@@ -0,0 +1,17 @@
+# file_Write
+Open a file and overwrite its contents with the provided string in `w` mode.
+
+## Arguments
+- path (string): Path to the file you want to write to
+
+## Returns
+- success (boolean): Whether writing to the file succeeded or not
+
+## Raises
+- `FileError`: Raised if the file doesn't exist
+
+## Example
+```python
+call !file_Read "my_file.txt" &contents
+println $contents
+```