[doc] CHANGELOG: update
[fix] compiler, ei: Update gamma with the shared declarations
[fix] runtime, cpsjs: Fixed catch_ and executexn
[fix] plugins: Use the js preprocessor on external libs too
[fix] runtime, cpsjs: On client side the cps runtime never returns the next computation
[fix] runtime: BslClient
[doc] changelog: Update changelog
[doc] changelog: crypto.base64 + new plugin syntax
[fix] w_typer: add extendwith to expansive nodes
[doc] changelog: update
[enhance] ei: Don't save already saved memoization
[doc] mac_installer: typo
[enhance] bslSys.nodejs: define fs.existsSync if not defined with path.existsSync
[enhance] Mac package: upgrade the Mac package to 'Flat Package Format'
[enhance] make_package: added an option to sign the Mac package
[enhance] postinstall: also remove opa-translate after mac install
[doc] changelog: update about Gatekeeper
[doc] Mac installer: updated the Xcode missing message a bit.
[fix] compiler, ei, ll: Since the runtime gamma is 'deep' shared, lambda lifting need to deep load its gamma + thus remove useless ei memo depends
[fix] install.sh: do not uninstall opa-create for the moment