fix empty params check (params may be a tuple)
fix issue #46 - win32.COORD definition missing
fix set position after erase_data (SetConsoleCursorPosition rejects 0, index must be 1-based)
fix passing params to erase_data
implement \033[0J and \033[1J
fix issue #55 - erase_data fails on Python 3.x
fix issue #30 - implement \033[nK
fix default params in call_win32 and implement CSI n B, C, D
small refactor
fix issue #13 - support changing the console title with OSC escape sequence
fix issue #49 - no need to adjust for scroll when new position is already relative (CSI n A\B\C\D)
add demo that tests CSI n ABCD and tests issue #49
add colorama.Cursor for cursor position manipulations
add functions set_title, clear_line, clear_screen to colorama.ansi
(e.g. print colorama.ansi.clear_screen())
small refactor
fix defaults for H/f command
Merge pull request #5 from wiggin15/master

several fixes to erase_data. Brilliant, thank you.