* Refactored cursor location login into a function. Fixed buffer overflow when line position is 1 more than file lines
* Fixed crash when -startpos has an invalid argument
* Adapted tests to new interface
* Fixed bug where -startpos with lines 0 and 1 would both be on the first line
* Changed Fatalf format back to digits
* Fixed issues with buffer cursor location. Added tests for new function
* ParseCursorLocation will now return an error when path doesnt contain line/col
* Fixed off-by-one line error
* Fixed tests to account for subtracting 1 from the line index
* Now can open Windows full-path from command line arg
Example that now works: micro.exe D:\myfile.txt
* Now correctly retrieves the path from the input path string. Except for single-letter filenames
* Fixed line/cols, need to make the code prettier
* Fixed path matching with regex by @Pariador
* Fixed not stripping the line/col args from file path
* Added tests for ParseCursorLocation
The -l flag to the replace command means "literal" and will treat
the search term literally instead of as a regular expression.
The command bar also now supports expanding environment variables
and running expressions through the shell and using the result
in the command.
