v0.4.0
* Fix memory leak in functions that use seval. ex.: dosval docat. this used to happen also in SC !
* Chain cells with equations into a new graph structure
* Change how cell expressions are evaluated
* New function to rebuilt graph
* Added free() call in GOTO in gram.y
* Added free() call in SORT in gram.y
* Added rebuild_graph, print_graph, undo and redo to gram.y
* Added function to remove elements in dep_graph. (specific vertex and linked edges)
* Fix in shift functions
* Handle circular reference with new Eval structure
* Fix in shift functions. refs in enodes now update correctly
* Undo correctly (keeping references) actions that impact in cells on which other cells depends on
* New :sum special command
* New overlap configuration parameter.
  If overlap is set to true, the cell content that exceedes column width continues to show in the following column.
* Fix a bug that prevented some info messages to be shown during loading
* Fix a bug when repaiting a cell that has a wide char size over than one.
* Changes in readfile function to fix issue that sometimes appeared
  when working with scripting, that made null output of interpreter
* Changes in sc_info sc_error and sc_debug functions..
* Changed sc_error sc_info and sc_debug functions to MACROS.
* Added new "debug" configuration parameter
* White background support
* Fix when undoing :sums that made no sums..
* :w command now adds '.sc' extension if none is specified
* Fix some #include's
* Fix :load command
* Expand filenames using wordexp
* Restored old SC fill function
* Fix in seval calls
* New :fcopy special command
* Added UNDO and LOCK check to fcopy special command. Added fcopy to gram.y
* sum special command renamed to fsum
* csv import now use isnumeric function
* change in '#' command
* new @replace string function
* Change in lex to handle WORD
* Fix in yyerror function
* :set command improvement
* Added set to gram.y
* doc improvement
* Fix when opening files with slash


v0.3.0
* FIX when importing large CSV files
* SC-IM now supports wide chars, enabling the use of different alphabets.
  The following alphabets are supported:
  English, Spanish, French, Italian, German, Portuguese, Russian, Ukrainian, Greek, Turkish, Czech, Japanese, Chinese
* Modification in padding of cells and how they are saved in files.
* UNDO / REDO improvements. Now the following actions are supported:
  Change in format of a column as a result of the 'f' command
  Change in format of a column as a result of auto_jus
  Change format of columns as a result of ic dc

v0.2.2
* Added plain text export.
* Added padding between cells.
* Added 256 color support and "redefine_color" special command.
* Added "aa" command in normal mode to act as autojus special command.
* Added "gl" for going to last position in normal mode.
* Added SC-IM man page.
* Added "refresh" special command to refresh UI.
* Big fix in how extended ascii are chars shown.
* Big changes in functions used for showing cell content.
* Fix in autonumeric mode.
* Fix bug when typing real long string (issue #32).
* Fix when using QUIT command with external scripts.
* "cellcolor" command now checks if a locked cell exists prior to change format.
* Locked cells are stored after any other command when saving a file.
* Saving sc file: cellcolor and lock commands now are stored by rows when saving a sc file.
* "Pv" command now do not paste cellcolors.
* Translated source code comments to English.
* Various fixes when using SC-IM without UI (--nocurses).
* Help documentation now can be loaded without making install SC-IM.
* MAXROWS now can be defined in Makefile.