#15300: Implement Weyl and Clifford algebras.
trying out git (pyflakes corrections)
#15300: Implement Weyl and Clifford algebras.
changed spaces
changed formatting of list
added spaces
Merge branch 'u/bump/ticket/15300' of git://trac.sagemath.org/sage into ticket/15300
Merge branch 'u/bump/ticket/15300' of git://trac.sagemath.org/sage into ticket/15300
merged with Anne
Merge branch 'u/darij/ticket/15300' of trac.sagemath.org:sage into gregg-change
Merge branch 'master' into public/algebras/weyl_clifford-15300
trac #15300: some remarks
Merge branch 'master' into public/algebras/weyl_clifford-15300

* master: (63 commits)
  [FIXUP] 5.13.beta4: update git specific files
  5.13.beta4
  5.13.beta4
  [FIXUP] 5.13.beta3: update git specific files
  5.13.beta3
  5.13.beta3
  Trac #15402: fix eint1() precision
  #14706: fix visibility of symbols for built-in libintl.
  also remove untracked directories after an aborted import patch
  trac_interface: encode fields with utf-8 as well
  remove reference to sage/misc/hg from docbuild
  #15268: let ncurses build on Solaris.
  #14706: Move previous install of R on OS X.
  Trac #15268: Add new ncurses config file to .hgingore.
  Trac #15337: Speed up ulp() method, add epsilon() method, add field arguments
  Trac #15397: fix bug in product of Schur functions by using lrcalc to complete calculation
  Trac #15098: couldn't resist fixing a typo
  needless bikeshedding
  #14706: Add $SAGE_LOCAL/lib to LDFLAGS.
  #14706: update to 3.0.2.
  ...
Fixes to Clifford algebras and expanded to have a functor method lift_morphism()
Added lift_isometry method.
More docstring tweaks to Clifford algebra.
some doc fixes
Merge branch 'public/algebras/weyl_clifford-15300' of trac.sagemath.org:sage into public/algebras/weyl_clifford-15300
Added the option to give the images of the generators, and hence define theresult in a different algebra.
Added the option to give im_gens also in alexander matrix.