patch 7.4.1154
Problem:    No support for JSON.
Solution:   Add jsonencode() and jsondecode().  Also add v:false, v:true,
            v:null and v:none.
diff --git a/Filelist b/Filelist
index 34ff0bd..0032b76 100644
--- a/Filelist
+++ b/Filelist
@@ -40,6 +40,7 @@
 		src/hardcopy.c \
 		src/hashtab.c \
 		src/keymap.h \
+		src/json.c \
 		src/macros.h \
 		src/main.c \
 		src/mark.c \
@@ -132,6 +133,7 @@
 		src/proto/gui_beval.pro \
 		src/proto/hardcopy.pro \
 		src/proto/hashtab.pro \
+		src/proto/json.pro \
 		src/proto/main.pro \
 		src/proto/mark.pro \
 		src/proto/mbyte.pro \