Fixed some things for Mono.
Merge branch 'master' of /mnt/stora/git/NOP.CSharp

Conflicts:
	Base/Fun.cs
Started to work on the monadic parsing.
Continued working with parsers.
Intermediate commit.
Intermediat commit.
Finished with creating parser combinators.

Need to improve error reporting next.
Started to write error handling for parsing.

Splitted the ISequences interface to IStream interface
at the process.
Intermediate commit.

Still working on parser error handling.
Intermediate commit.
Yet another intermediate commit.

The parsing sidetrack seems to be longer than expected.
The first commit for some time in which the tests are green.

Parsing stuff now mostly done. Completing it while working on
other things.