Bug fix select fields
improved unit operator with lax syntax
<lcinputfield> for MAXIMA editor
Remember dates
Damien's math parser and MAXIMA/R daemons
Namespaces
Start code documentation
Work on coding manual
math parser update
Merge branch 'master' of github.com:gerdkortemeyer/loncapa
switched switch for given + fixed 1 bug
added some cases
More documentation work
Merge branch 'master' of github.com:gerdkortemeyer/loncapa
updated math parser to use lon-capa package names
Merge branch 'master' of github.com:gerdkortemeyer/loncapa
updated install for math parser
removed useless use
trying to use aliased to deal with long namespaces
trying to use aliased to deal with long namespaces