nestedTryStmts removed

It makes tests fail and they work fine without. Given my ignorance of
the exact workings, I can only rely on the tests.
bugfix: 'indexOf' for tuple fields works
Implements `$` proc for a sequence of TRunes.
Adds babel package manager link to library index.
Adds left alignment example to strutils.
Adds newSeq documentation example.
hack to include hti correctly
used correct syntax for multiline results in tests

And also modified the runner to actually run them in JS.
debugger improvements
fixes #358
Merge pull request #359 from Tass/master

JS unwinding
Merge pull request #357 from gradha/pr_adds_newseq_documentation_example

Adds newSeq documentation example.
Merge pull request #356 from gradha/pr_adds_left_alignment_example_to_strutils

Adds left alignment example to strutils.
Merge pull request #355 from gradha/pr_adds_babel_link_to_library_doc

Adds babel package manager link to library index.
Merge pull request #354 from gradha/pr_adds_stringyfication_of_runes

Implements `$` proc for a sequence of TRunes.