Arguments:
        1) real: objectID
    Return Type:
        real
    Returns number of lines in the text file.
    Arguments:
        1) real: objectID
        2) real: lineNumber
    Return Type:
        string
    Returns the string of the specified line in the text file.
Lines are 1-indexed (the first line is 1) rather than 0-indexed.
    Arguments:
        1) real: objectID
        2) real: lineNumber
        3) string: delimiter
    Return Type:
        string array
    Returns a string array obtained by splitting the specified line of the text file by the specified delimiter character.
    Arguments:
        1) real: objectID
        2) string: lineToAdd
    Appends a line of text to the end of the list of lines to output.
The line will actually be added to the file once ObjFile_Store has been called.
    Arguments:
        1) real: objectID
    Clears all of the lines added with ObjFileT_AddLine