Merge pull request #8 from vanti-public/master

Merge of Vanti additions

Removed `pad_leading_chars()` function - functional duplicate of `string_prefix_to_length`

Merge branch 'upstream_changes'

Merge branch 'master' into upstream-changes

Add debug level 'debug', after info (highest level)

moved ncl back to netlinx-common-libraries, but updated program_name to avoid compiler errors

Added vanti as contriubutor

removed tp library - this doesn't really fit in ncl

Merge in upstream changes.

fixed substring end index

fixed occasional compiler errors for local variable names clashing with
built in functions

added pad_leading_chars function

added tp library with common touchpanel functions

added debug_hex, debug_dec functions

added strip_chars_right, substr, substring functions

Added function for mapping human readable debug level strings to numerical values

Removed whitespace

Added functions for string truncation

Merge pull request #6 from moty66/master

Added Motaz to the contributors list.

Update README.md

Updating contributors