Cosmetic refactoring

* Changed the API calls to be more sensible & simple and free of
  redundancy.

t/table.vim

@@ -5,39 +5,39 @@ call vspec#hint({'scope': 'tablemode#table#scope()', 'sid': 'tablemode#table#sid
 
 describe 'table'
   describe 'API'
-    describe 'IsATableRow'
+    describe 'IsRow'
       before
         new
         read t/fixtures/sample.txt
       end
 
       it 'should return true when inside a table'
-        Expect tablemode#table#IsATableRow(2) to_be_true
-        Expect tablemode#table#IsATableRow(3) to_be_true
+        Expect tablemode#table#IsRow(2) to_be_true
+        Expect tablemode#table#IsRow(3) to_be_true
       end
 
       it 'should return false when outside a table'
-        Expect tablemode#table#IsATableRow(1) to_be_false
-        Expect tablemode#table#IsATableRow(4) to_be_false
+        Expect tablemode#table#IsRow(1) to_be_false
+        Expect tablemode#table#IsRow(4) to_be_false
       end
     end
 
-    describe 'IsATableHeader'
+    describe 'IsHeader'
       before
         new
         read t/fixtures/sample_with_header.txt
       end
 
       it 'should return true when on a table header'
-        Expect tablemode#table#IsATableHeader(3) to_be_true
-        Expect tablemode#table#IsATableHeader(6) to_be_true
+        Expect tablemode#table#IsHeader(3) to_be_true
+        Expect tablemode#table#IsHeader(6) to_be_true
       end
 
       it 'should return false when not on a table header'
-        Expect tablemode#table#IsATableHeader(1) to_be_false
-        Expect tablemode#table#IsATableHeader(2) to_be_false
-        Expect tablemode#table#IsATableHeader(4) to_be_false
-        Expect tablemode#table#IsATableHeader(5) to_be_false
+        Expect tablemode#table#IsHeader(1) to_be_false
+        Expect tablemode#table#IsHeader(2) to_be_false
+        Expect tablemode#table#IsHeader(4) to_be_false
+        Expect tablemode#table#IsHeader(5) to_be_false
       end
     end
   end