patch 7.4.1161

Problem:    ":argadd" without argument is supposed to add the current buffer
            name to the arglist.
Solution:   Make it work as documented. (Coot, closes vim#577)

patch 7.4.1160

Problem:    No error for jsondecode('"').
Solution:   Give an error message for missing double quote.

patch 7.4.1159

Problem:    Automatically generated function prototypes use __ARGS.
Solution:   Remove __ARGS from osdef.sh.

patch 7.4.1158

Problem:    Still using __ARGS().
Solution:   Remove __ARGS() from eval.c

patch 7.4.1157

Problem:    type() does not work for v:true, v:none, etc.
Solution:   Add new type numbers.

patch 7.4.1156

Problem:    Coverity warns for NULL pointer and ignoring return value.
Solution:   Check for NULL pointer. When dict_add() returns FAIL free the item.

patch 7.4.1155

Problem:    Build with normal features fails.
Solution:   Always deinfe dict_lookup().

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.

patch 7.4.1153

Problem:    Autocommands triggered by quickfix cannot always get the current
            title value.
Solution:   Call qf_fill_buffer() later. (Christian Brabandt)

patch 7.4.1152

Problem:    Langmap test fails with normal build.
Solution:   Check for +langmap feature.