0.14
    Fixed:
        - terminated by signal 11 error
        - logical errors in build html tree
    Add:
        + methods: build_tree, get_tree, get_tree_by_element_id
        + methods: get_element_by_name, get_stat_by_element_id
        + methods: get_child, get_parent, get_curr_element
        + methods: get_next_element_curr_level, get_prev_element_curr_level
        + methods: get_prev_element, set_position
        + more testcases

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0.13    2013-02-03
    Fixed:
        - build error in OpenBSD
        - build error in Windows
    Add:
        + method get_raw_text
        + method get_main_text_with_elements
        + more testcases.

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0.12    2013-01-31
    Release 0.12