process ids are independent of nprocs()
Fixed loop bug in require()
Changed names to procs() and workers()
rename debugasm to disasm, and add a build dependency for it
delete!(set,key,deflt): use the three-argument hash delete! method.
add collections.jl
Merge branch 'master' of github.com:JuliaLang/julia
fix some Integer to BigFloat conversions
fix search(ByteArray, Char, Int) to always return an Int instead of
returning an Int or Range based on the value of the Char.
this caused severe performance regressions in string search and split.
make "const" declaration imply "local" in an inner scope block
closes #3235
Fix mmap_bitarray

(follows changes in f3f6fa2d98c8a5286115049bd02e23b3ab95d55d)
Move mmap_bitarray to mmap.jl
Update helpdb.jl
Document mmap_bitarray
Merge branch 'master' of https://github.com/JuliaLang/julia
pkg2: compute packge diff -- packages to remove, update & install.
fix #959 & re-enable tests
Add usingmodule (conditional usage of packages or modules). Closes #2444

Usage example:
    havewinston = !is(Pkg.installed("Winston"), nothing)
    if havewinston
        usingmodule("Winston")
    end
move some things into reflection.jl that belong there
add function_name and function_module
Fix #3419