[update 1.1] #11217 11217 ----- - Issue 1990: Improving Tools (browser sender,implementor) - Issue 2000: remove #at:ifPresentAndInMemory: - Issue 1999: small cleanup related to Object>>#isWebBrowser - Issue 1997: clean up doit special casing - Issue 1998: small dead code cleanup floatarray - Issue 1983: ANSI Integer>>bitAt:put: is missing