master updated (326264c -> 8bdde87)

[Ludovic Courtès]

civodul pushed a change to branch master.

      from  326264c   database: Set a 'busy_timeout' to handle concurrent 
accesses.
       new  1872dd9   evaluate: Tolerate calls to 'build-things' during 
evaluations.
       new  e8543d7   base: Add 'cancel-old-builds'.
       new  8bdde87   http: Process client connections really concurrently, 
again.


Summary of changes:
 bin/evaluate.in      |  12 +++---
 src/cuirass/base.scm |   9 +++++
 src/cuirass/http.scm | 111 ++++++++++++++++++++++++++++++++++++---------------
 3 files changed, 95 insertions(+), 37 deletions(-)