[SR-Dev] git:master: Merge commit 'origin/andrei/type_conversion'

[Andrei Pelinescu-Onciul]

Module: sip-router
Branch: master
Commit: c5e6955692fb6f7803fa7550a92a7e727cabf31f
URL:    http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=c5e6955692fb6f7803fa7550a92a7e727cabf31f

Author: Andrei Pelinescu-Onciul <andrei at iptel.org>
Committer: Andrei Pelinescu-Onciul <andrei at iptel.org>
Date:   Mon May  4 23:38:12 2009 +0200

Merge commit 'origin/andrei/type_conversion'

* commit 'origin/andrei/type_conversion':
  script parsing: fix bug in expression error checking
  core expr eval: various fixes
  news: update (new operators, expr. eval behaviour a.s.o.)
  core: new script operators: eq, ne, ieq, ine
  core expr eval: fix assoc., commut and 0 adding for +, ==
  core expr eval: minor ==/!= optimization
  core expr eval: internal == & != int and str only versions
  core expr eval: special handling for undef cmp expr
  core eval expr: cache undefined results too
  core expr eval:  str automatic conversion to int
  core expr eval: undef conversion to int and str
  core expr eval: defined @select

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