Small improvements on due dates + key:value

ADD: syntax highlight for couples key:value
ADD: Handle DUE:date
CHG: No space between due: and date
CHG: Doc updated

ftplugin/todo.vim

@@ -1,9 +1,9 @@
 " File:        todo.txt.vim
 " Description: Todo.txt filetype detection
-" Author:      Leandro Freitas <freitass@gmail.com>, David Beniamine <David@Beniamine.net>
+" Author:      David Beniamine <David@Beniamine.net>, Leandro Freitas <freitass@gmail.com>
 " License:     Vim license
 " Website:     http://github.com/dbeniamine/todo.txt-vim
-" Version:     0.6
+" Version:     0.7
 
 " Save context {{{1
 let s:save_cpo = &cpo
@@ -85,12 +85,12 @@ function! TodoTxtSort()
     sort /\v\([A-Z]\)/ r
 endfunction
 
-function! TodoTxtSortDue()
+function! TodoTxtSortDue()
     silent! %s/\([dD][uU][eE]:\d\{4}\)-\(\d\{2}\)-\(\d\{2}\)/\1\2\3/g
-    " Sort adding entries with due dates add the beginning
+    " Sort adding entries with due dates add the beginning
     sort n /[dD][uU][eE]:/
     " Count the number of lines
-    silent normal gg
+    silent normal gg
     execute "/[dD][uU][eE]:"
     let l:first=getpos(".")[1]
     silent normal N
@@ -100,7 +100,7 @@ function! TodoTxtSortDue()
     execute ':'.l:first
     execute ':d'.l:diff
     silent normal gg
-    silent normal P
+    silent normal P
     silent! %s/\([dD][uU][eE]:\d\{4}\)\(\d\{2}\)/\1-\2-/g
     " TODO: add time sorting (YYYY-MM-DD HH:MM)
 endfunction
@@ -202,7 +202,11 @@ if !hasmapto("date<Tab>",'i')
     inoremap <script> <silent> <buffer> date<Tab> <C-R>=strftime("%Y-%m-%d")<CR>
 endif
 
-if !hasmapto("due:",'i')
+if !hasmapto("due:",'i')
+    inoremap <script> <silent> <buffer> due: due:<C-R>=strftime("%Y-%m-%d")<CR>
+endif
+
+if !hasmapto("DUE:",'i')
     inoremap <script> <silent> <buffer> DUE: DUE:<C-R>=strftime("%Y-%m-%d")<CR>
 endif
 

ftplugin/todo_sort.vim

@@ -3,7 +3,7 @@
 " Author:      David Beniamine <david@beniamine.net>
 " Licence:     Vim licence
 " Website:     http://github.com/dbeniamine/todo.txt.vim
-" Version:     0.6
+" Version:     0.7
 " vim: ts=4 sw=4 :help tw=78 cc=80
 
 " These two variables are parameters for the successive calls the vim sort