TEST: Added test to verify that the left boundry works now.
BUGFIX: Fixed bug using the idxToRow_ function instead of directly taking the row from the point. Also the idxToRow_ method has been completely removed based on Dans comment, that it is unneeded.
Fixed wrong space usage in if clauses.
Merge pull request #262 from sauter-hq/left-boundry-fix

Left boundary fix
Merge branch 'danvk/master' into sauter-dygraphs-development