more explicit version numbers in the aliases

[skip appveyor]

Makefile

@@ -169,13 +169,13 @@ test-py278: $(PY278)
 	PYTHON=python2.7.8 PATH=$(BUILD_RUNTIMES)/versions/python2.7.8/bin:$(PATH) make develop toxtest
 
 test-py34: $(PY34)
-	PYTHON=python3.4 PATH=$(BUILD_RUNTIMES)/versions/python3.4.5/bin:$(PATH) make develop toxtest
+	PYTHON=python3.4.5 PIP=pip PATH=$(BUILD_RUNTIMES)/versions/python3.4.5/bin:$(PATH) make develop toxtest
 
 test-py35: $(PY35)
-	PYTHON=python3.5 PATH=$(BUILD_RUNTIMES)/versions/python3.5.2/bin:$(PATH) make develop fulltoxtest
+	PYTHON=python3.5.2 PIP=pip PATH=$(BUILD_RUNTIMES)/versions/python3.5.2/bin:$(PATH) make develop fulltoxtest
 
 test-py36: $(PY36)
-	PYTHON=python3.6 PATH=$(BUILD_RUNTIMES)/versions/python3.6b4/bin:$(PATH) make develop toxtest
+	PYTHON=python3.6b4 PIP=pip PATH=$(BUILD_RUNTIMES)/versions/python3.6b4/bin:$(PATH) make develop toxtest
 
 test-pypy: $(PYPY)
 	PYTHON=$(PYPY) PIP=pip PATH=$(BUILD_RUNTIMES)/versions/pypy56/bin:$(PATH) make develop toxtest

scripts/install.sh

@@ -94,10 +94,10 @@ for var in "$@"; do
       install 3.3.6 python3.3
       ;;
     3.4)
-      install 3.4.5 python3.4
+      install 3.4.5 python3.4.5
       ;;
     3.5)
-      install 3.5.2 python3.5
+      install 3.5.2 python3.5.2
       ;;
     3.6)
       install 3.6.0b4 python3.6b4