Use stricter matches. Also don’t count on 'ignorecase' option when matching buffers

Fixes #182.

Note: don’t know what to do with LustyExplorer and vimpager: unable to
get buffers with such name or filetype.

Author: ZyX-I

autoload/Pl/Match.vim

@@ -33,7 +33,7 @@ function! Pl#Match#Validate(theme, window) " {{{
 		endif
 
 		for [eval, re] in matches
-			if match(eval(eval), '\v'. re) != -1
+			if match(eval(eval), '\v\C'. re) != -1
 				return 1
 			endif
 		endfor

autoload/Powerline/Matches.vim

@@ -1,13 +1,13 @@
 let g:Powerline#Matches#matches = {
-	\ 'command_t'       : Pl#Match#Add('bufname(winbufnr(a:window))', 'GoToFile'),
-	\ 'bt_help'         : Pl#Match#Add('getwinvar(a:window, "&bt")' , 'help'),
-	\ 'ft_man'          : Pl#Match#Add('getwinvar(a:window, "&ft")' , 'man'),
-	\ 'ft_qf'           : Pl#Match#Add('getwinvar(a:window, "&ft")' , 'qf'),
+	\ 'command_t'       : Pl#Match#Add('bufname(winbufnr(a:window))', '^GoToFile$'),
+	\ 'bt_help'         : Pl#Match#Add('getwinvar(a:window, "&bt")' , '^help$'),
+	\ 'ft_man'          : Pl#Match#Add('getwinvar(a:window, "&ft")' , '^man$'),
+	\ 'ft_qf'           : Pl#Match#Add('getwinvar(a:window, "&ft")' , '^qf$'),
 	\ 'ft_vimpager'     : Pl#Match#Add('getwinvar(a:window, "&ft")' , 'vimpager'),
-	\ 'gundo_preview'   : Pl#Match#Add('bufname(winbufnr(a:window))', '__Gundo_Preview__'),
-	\ 'gundo_tree'      : Pl#Match#Add('bufname(winbufnr(a:window))', '__Gundo__'),
-	\ 'lustyexplorer'   : Pl#Match#Add('bufname(winbufnr(a:window))', '\[LustyExplorer-Buffers\]'),
-	\ 'minibufexplorer' : Pl#Match#Add('bufname(winbufnr(a:window))', '\-MiniBufExplorer\-'),
-	\ 'tagbar'          : Pl#Match#Add('getwinvar(a:window, "&ft")' , 'tagbar'),
-	\ 'nerdtree'        : Pl#Match#Add('getwinvar(a:window, "&ft")' , 'nerdtree'),
+	\ 'gundo_preview'   : Pl#Match#Add('bufname(winbufnr(a:window))', '^__Gundo_Preview__$'),
+	\ 'gundo_tree'      : Pl#Match#Add('bufname(winbufnr(a:window))', '^__Gundo__$'),
+	\ 'lustyexplorer'   : Pl#Match#Add('bufname(winbufnr(a:window))', '\[LustyExplorer\-Buffers\]'),
+	\ 'minibufexplorer' : Pl#Match#Add('bufname(winbufnr(a:window))', '^\-MiniBufExplorer\-$'),
+	\ 'tagbar'          : Pl#Match#Add('getwinvar(a:window, "&ft")' , '^tagbar$'),
+	\ 'nerdtree'        : Pl#Match#Add('getwinvar(a:window, "&ft")' , '^nerdtree$'),
 \ }