Allow ending a pragma control with a semicolon.

In this way, users can continue a pragma control with a reason for why it is used,
as in `# pylint: disable=old-style-class;reason=...`.
Closes issue #449.

ChangeLog

@@ -20,6 +20,12 @@ ChangeLog for Pylint
  unbalanced-tuple-unpacking, unpacking-non-sequence, non-iterator-returned.
  Closes issue #388.
 
+ * Allow ending a pragma control with a semicolon. In this way, users
+ can continue a pragma control with a reason for why it is used,
+ as in `# pylint: disable=old-style-class;reason=...`.
+ Closes issue #449.
+
+
 2015-03-14 -- 1.4.3
 
  * Remove three warnings: star-args, abstract-class-little-used,

pylint/utils.py

@@ -72,7 +72,10 @@ class EmptyReport(Exception):
 MSG_STATE_SCOPE_MODULE = 1
 MSG_STATE_CONFIDENCE = 2
 
-OPTION_RGX = re.compile(r'\s*#.*\bpylint:(.*)')
+# Allow stopping after the first semicolon encountered,
+# so that an option can be continued with the reasons
+# why it is active or disabled.
+OPTION_RGX = re.compile(r'\s*#.*\bpylint:\s*([^;]+);{0,1}')
 
 # The line/node distinction does not apply to fatal errors and reports.
 _SCOPE_EXEMPT = 'FR'