TODO ---- 25/04/2016 Main features to achieve in near future versions ------------------------------------------------ 1. lock / freeze a section of the screen (rows or columns). 2. Export spreadsheet to Latex format. Main features to achieve before v1.0 ------------------------------------ 1. CALC CHAIN 2. With calc chain already implemented, fix problem when UNDOing actions that change cells equations !!! Long term features ------------------ 1. isolate UI code (CURSES) from the rest of the code for future implementations in other gui's. 2. scim_scripting. Use LUA to allow scripting and plugin support. 3. status bar format customized by user. can show count of cells and sum of values, when a range is selected.. *this should be done with a script.