vim-patch:8.1.1809: more functions can be used as a method

Problem:    More functions can be used as a method.
Solution:   Add has_key(), split(), str2list(), etc.
a74e4946de

src/nvim/eval.lua

@@ -180,7 +180,7 @@ return {
     glob2regpat={args=1},
     globpath={args={2, 5}},
     has={args=1},
-    has_key={args=2},
+    has_key={args=2, base=1},
     haslocaldir={args={0,2}},
     hasmapto={args={1, 3}},
     highlightID={args=1, func='f_hlID'},  -- obsolete
@@ -339,11 +339,11 @@ return {
     stdioopen={args=1},
     spellbadword={args={0, 1}},
     spellsuggest={args={1, 3}},
-    split={args={1, 3}},
+    split={args={1, 3}, base=1},
     sqrt={args=1, func="float_op_wrapper", data="&sqrt"},
     stdpath={args=1},
     str2float={args=1},
-    str2list={args={1, 2}},
+    str2list={args={1, 2}, base=1},
     str2nr={args={1, 2}},
     strcharpart={args={2, 3}},
     strchars={args={1,2}},
@@ -352,23 +352,23 @@ return {
     strgetchar={args={2, 2}},
     stridx={args={2, 3}},
     string={args=1, base=1},
-    strlen={args=1},
+    strlen={args=1, base=1},
     strpart={args={2, 4}},
     strptime={args=2},
     strridx={args={2, 3}},
-    strtrans={args=1},
-    strwidth={args=1},
+    strtrans={args=1, base=1},
+    strwidth={args=1, base=1},
     submatch={args={1, 2}},
-    substitute={args=4},
+    substitute={args=4, base=1},
     swapinfo={args={1}},
     swapname={args={1}},
     synID={args=3},
-    synIDattr={args={2, 3}},
-    synIDtrans={args=1},
+    synIDattr={args={2, 3}, base=1},
+    synIDtrans={args=1, base=1},
     synconcealed={args=2},
     synstack={args=2},
-    system={args={1, 2}},
-    systemlist={args={1, 3}},
+    system={args={1, 2}, base=1},
+    systemlist={args={1, 3}, base=1},
     tabpagebuflist={args={0, 1}},
     tabpagenr={args={0, 1}},
     tabpagewinnr={args={1, 2}},