Update docs

CHANGELOG.asciidoc

@@ -26,6 +26,8 @@ Added
 - New `-s` option for `:open` to force a HTTPS scheme.
 - `:debug-log-filter` now accepts `none` as an argument to clear any log
   filters.
+- New `--debug-flag` argument which replaces `--debug-exit` and
+  `--pdb-postmortem`.
 
 Changed
 ~~~~~~~

README.asciidoc

@@ -186,6 +186,7 @@ Contributors, sorted by the number of commits in descending order:
 * John ShaggyTwoDope Jenkins
 * Clayton Craft
 * Peter Vilim
+* Jacob Sword
 * knaggita
 * Oliver Caldwell
 * Julian Weigt

doc/qutebrowser.1.asciidoc

@@ -93,12 +93,6 @@ show it.
 *--nowindow*::
     Don't show the main window.
 
-*--debug-exit*::
-    Turn on debugging of late exit.
-
-*--pdb-postmortem*::
-    Drop into pdb on exceptions.
-
 *--temp-basedir*::
     Use a temporary basedir.
 
@@ -110,6 +104,9 @@ show it.
 
 *--qt-flag* 'QT_FLAG'::
     Pass an argument to Qt as flag.
+
+*--debug-flag* 'DEBUG_FLAGS'::
+    Pass name of debugging feature to be turned on.
 // QUTE_OPTIONS_END
 
 == FILES