Refactor Examples to use assert_eq

This commit updates all example files to use `assert_eq!` for verifying
output, replacing the previous `Output:` comments. This change makes the
examples more robust and self-testing.

The benchmark results in some examples have also been slightly adjusted,
reflecting minor performance variations after the refactoring.

Additionally, a runtime panic handling mechanism has been introduced in
the VM for function calls, which improves error reporting for unexpected
panics.

examples/soa_series.myc

@@ -1,6 +1,5 @@
-;; Output: 26.7
-;; Benchmark: 890ns
-;; Benchmark-Repeat: 2240
+;; Benchmark: 1.1us
+;; Benchmark-Repeat: 1877
 (do
   (def my_ticks (series 100 {:price :float :volume :int :msg :text}))
 
@@ -8,10 +7,8 @@
   (push my_ticks {:price 11.2 :volume 200 :msg "B"})
   (push my_ticks {:price 15.5 :volume 300 :msg "C"})
 
-  ;(repeat n 100 (push my_ticks {:price (+ n 15.5) :volume (ceil (/ n 300)) :msg "??"})
-
-
   (def prices (.price my_ticks))
 
-  (+ (prices 0) (prices 1))
+  ;; prices 0 = 15.5 (newest), prices 1 = 11.2
+  (assert-eq 26.7 (+ (prices 0) (prices 1)))
 )