vim-patch:8.1.1888: more functions can be used as methods

Problem:    More functions can be used as methods.
Solution:   Make various functions usable as a method.
073e4b92e6

test_popup.vim already has the changes from this patch (they're N/A
anyway).

src/nvim/eval.lua

@@ -24,7 +24,7 @@ return {
     abs={args=1, base=1},
     acos={args=1, base=1, func="float_op_wrapper", data="&acos"},  -- WJMc
     add={args=2, base=1},
-    ['and']={args=2},
+    ['and']={args=2, base=1},
     api_info={},
     append={args=2, base=LAST},
     appendbufline={args=3, base=LAST},
@@ -50,16 +50,16 @@ return {
     atan2={args=2, base=1},
     browse={args=4},
     browsedir={args=2},
-    bufadd={args=1},
-    bufexists={args=1},
-    buffer_exists={args=1, func='f_bufexists'},  -- obsolete
+    bufadd={args=1, base=1},
+    bufexists={args=1, base=1},
+    buffer_exists={args=1, base=1, func='f_bufexists'},  -- obsolete
     buffer_name={args={0, 1}, func='f_bufname'},  -- obsolete
     buffer_number={args={0, 1}, func='f_bufnr'},  -- obsolete
-    buflisted={args=1},
-    bufload={args=1},
-    bufloaded={args=1},
-    bufname={args={0, 1}},
-    bufnr={args={0, 2}},
+    buflisted={args=1, base=1},
+    bufload={args=1, base=1},
+    bufloaded={args=1, base=1},
+    bufname={args={0, 1}, base=1},
+    bufnr={args={0, 2}, base=1},
     bufwinid={args=1},
     bufwinnr={args=1},
     byte2line={args=1},
@@ -203,7 +203,7 @@ return {
     inputsecret={args={1, 2}},
     insert={args={2, 3}, base=1},
     interrupt={args=0},
-    invert={args=1},
+    invert={args=1, base=1},
     isdirectory={args=1},
     isinf={args=1, base=1},
     islocked={args=1},
@@ -254,7 +254,7 @@ return {
     msgpackparse={args=1},
     nextnonblank={args=1},
     nr2char={args={1, 2}},
-    ['or']={args=2},
+    ['or']={args=2, base=1},
     pathshorten={args=1},
     pow={args=2, base=1},
     prevnonblank={args=1},
@@ -421,6 +421,6 @@ return {
     winwidth={args=1},
     wordcount={},
     writefile={args={2, 3}},
-    xor={args=2},
+    xor={args=2, base=1},
   },
 }