v1.0 - 925a5c8

Changelog:

 [+] Mouse support for highlighting or setting cursor position.
 [+] An asterisk is added where the file is not saved.
 [+] Added a field to change the font sizes.
 [+] Optimization.
 [+] Dialogs warning that some files have not been saved.
 [+] Added "save" function and it determines if the file has been saved.
 [+] Now the editor adds spaces and tabs given the previous line.
 [-] When saving, the save message will no longer pop up.