Update tclsolv, still work in progress
Update tclsolv, still work in progress

* use arrays instead of dics for the repos, so we can use the $foo(bar)
  syntax which makes the code a bit more readable
* implement susetags reading and cache writing

JacksonIsaac/libsolv,JacksonIsaac/libsolv,JacksonIsaac/libsolv,JacksonIsaac/libsolv,JacksonIsaac/libsolv