define renamed to def, defun renamed to defn

Readme.md

@@ -6,11 +6,11 @@ is a small lisp interpreter based on Adam McDaniel's wisp interpreter (https://g
 ### Example of use
 ```
 cat <<EOT > /tmp/qs.lsp
-(defun qs (l)
+(defn qs (l)
     (if (<= (len l) 1)
         l
         (do
-            (define pivot (first l))
+            (def pivot (first l))
             (+
                 (qs (filter (lambda (n) (> pivot n)) l))
                 (list pivot)
@@ -88,12 +88,10 @@ utils/local_install.sh
 
 #### Code
 - tcpnet should use RAII
-- add documentation - some code lide (doc::add func_name desc example flags), (doc::help name), (doc::appropos text)
-- add more unit test, mainly for usql
+- add more unit test, especially for usql
 - add instrumentation (time, nr of evals, num of atoms, debug info, debug environment etc)
 
 #### Language
-- rename define -> def, defun -> defn
 - string functions
     - compare - needed for sorting, cmp ignore case
     - regexp match, regexp tokens