Add documentation of the sequence module.
Add toolset_requirements.py to the test suite.
Fix error message.
Add another file to .gitignore.
Fix bug in pathnt.c that caused the results of GLOB to be downcased under some circumstances.
prebuilt.py needs to treat clang-darwin the same way as darwin.
Attempt to fix source_order.py on Windows.
cxxflags should not apply to C files.  Fixes #9815.
topological sort ordered includes.
Fix build with MinGW.  Fixes #9301.
Parentheses are not allowed in REMs.  Fixes #9800.
Don't exit immediately on Windows if JAMSHELL is % and CreateProcess fails.
Don't go into an infinte loop if the braces aren't matched.  (Either because of a syntax error, or because our parser is to simplistic.)
Fix linker flags with clang, close #5820

  see also: https://svn.boost.org/trac/boost/ticket/5820