worked on #102: more documentation and examples

doc/examples/operator__greaterequal.output

@@ -0,0 +1,4 @@
+[1,2,3] >= [1,2,4] false
+{"A":"a","B":"b"} >= {"A":"a","B":"b"} true
+17 >= 17.0000000000001 false
+"foo" >= "bar" true