Merge pull request #71 from arecarn/fix-sort

Fix sort command, and add documentation for the command and mapping.

doc/table-mode.txt

@@ -349,6 +349,10 @@ MAPPINGS						*table-mode-mappings*
 		would evaluate the formula line and update the table
 		accordingly. This invokes the |TableEvalFormulaLine| command.
 
+
+                                               *table-mode-mappings-sort-column*
+<Leader>ts      Sort a column under the cursor. This invokes *TableSort*
+
 ||              Expands to a header border. You can change this by changing
                 |table-mode-separator| option. You can change the character to
                 be used for te extreme corners of the border by changing
@@ -416,6 +420,14 @@ COMMANDS						*table-mode-commands*
 	This command when invoked from anywhere within the table or directly
 	on the formula line evaluates it and updates the table accordingly.
 
+                                                                  *:TableSort*
+                                                       *table-mode-:TableSort*
+:TableSort[!] [i][u][r][n][x][o]
+        This command sorts column under the cursor and inherits the same flags
+        as the *:sort* command.
+
+        With [!] the order is reversed.
+
 ===============================================================================
 CONTRIBUTING						*table-mode-contributing*
 

plugin/table-mode.vim

@@ -108,7 +108,7 @@ nnoremap <silent> <Plug>(table-mode-eval-formula) :call tablemode#spreadsheet#fo
 
 nnoremap <silent> <Plug>(table-mode-echo-cell) :call <SID>TableEchoCell()<CR>
 
-nnoremap <silent> <Plug>(table-mode-sort) :call tablemode#spreadsheet#Sort()<CR>
+nnoremap <silent> <Plug>(table-mode-sort) :call tablemode#spreadsheet#Sort('')<CR>
 
 if !hasmapto('<Plug>(table-mode-tableize)')
   exec "nmap " . g:table_mode_map_prefix . "t <Plug>(table-mode-tableize)"